CN113183093A - Synchronous handling instrument of many threaded fastener - Google Patents
Synchronous handling instrument of many threaded fastener Download PDFInfo
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- CN113183093A CN113183093A CN202110637712.4A CN202110637712A CN113183093A CN 113183093 A CN113183093 A CN 113183093A CN 202110637712 A CN202110637712 A CN 202110637712A CN 113183093 A CN113183093 A CN 113183093A
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000009347 mechanical transmission Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229930091051 Arenine Natural products 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
Abstract
The invention relates to the technical field of hardware tools and discloses a synchronous assembling and disassembling tool for a multi-thread fastener. The invention provides a novel hardware tool for synchronously assembling and disassembling a plurality of threaded fasteners, namely, comprises a rotating shaft, a bearing, a mechanical transmission mechanism and at least two connected structural rods, wherein, the bottom end of the rotating shaft is provided with a rotation acting part which is coaxially matched with a threaded fastener, the rotating shaft and the bearing are arranged at the end part of the structural rod in pairs, the number of the mechanical transmission mechanisms is at least two, the mechanical transmission mechanisms are respectively corresponding to the structural rods one by one and are used for transmitting torque between the two rotating shafts, therefore, when one rotating shaft rotates, other rotating shafts are driven to synchronously rotate, the purpose of synchronously assembling and disassembling a plurality of threaded fasteners is realized, thereby can shorten the loading and unloading required time, the screw fastener of specially adapted on to rigidity testing machine cylinder body carries out synchronous loading and unloading, and then promotes test efficiency.
Description
Technical Field
The invention belongs to the technical field of hardware tools, and particularly relates to a synchronous assembling and disassembling tool for a multi-thread fastener.
Background
The rigidity testing machine is a physical property testing instrument used in the field of physics, is mainly used for rock and concrete experiments, has three independent closed loop servo control functions of axial pressure, confining pressure and pore water pressure, can perform uniaxial compression, triaxial compression, pore water pressure tests and the like on materials such as rock or concrete, has multiple control modes, and can perform random conversion among the multiple control modes in the testing process. During the operation of the rigidity testing machine, an operator usually uses a manual or electric tool to remove several threaded fasteners (which are generally screws) from the cylinder one by one. The specific handling procedure is known as follows, in which a suitable type of turning tool (for example, a wrench or the like) is mounted on the threaded fastener of the rigidity testing machine cylinder, and then the operator turns the turning tool by hand or by another electric tool (for example, an electric motor in an electric wrench) to remove the threaded fastener, while continuously changing the operating position until the threaded fastener on the rigidity testing machine cylinder is completely removed. However, since the cylinder of the rigidity testing machine is generally equipped with many screw fasteners in order to ensure good sealing performance, it takes many man-hours to complete the attachment and detachment of the screw fasteners to and from the plurality of cylinders, resulting in low testing efficiency.
Disclosure of Invention
In order to solve the problems of time consumption and low test efficiency caused by the fact that a plurality of threaded fasteners are synchronously rotated in the assembling and disassembling process of the threaded fasteners on the cylinder body of the conventional rigidity testing machine, the invention aims to provide the synchronous assembling and disassembling tool for the multi-threaded fasteners, which can synchronously rotate the plurality of threaded fasteners to achieve the aim of synchronous assembling and disassembling, can shorten the time required for assembling and disassembling, is particularly suitable for synchronously assembling and disassembling the threaded fasteners on the cylinder body of the rigidity testing machine, further improves the test efficiency, and is convenient for practical application and popularization.
The invention provides a synchronous assembling and disassembling tool for a multi-thread fastener, which comprises a rotating shaft, a bearing, a mechanical transmission mechanism and at least two connected structural rods, wherein the bottom end of the rotating shaft is provided with a rotating action part which is coaxially matched with the thread fastener;
the rotating shaft and the bearing are arranged in pairs at the end part of the structural rod, wherein the inner ring part of the bearing is coaxially and fixedly connected with the middle part of the rotating shaft, and the outer ring part of the bearing is fixedly connected with the end part of the structural rod;
the number of the mechanical transmission mechanisms is at least two, the mechanical transmission mechanisms are respectively in one-to-one correspondence with the structural rods, the mechanical transmission mechanisms are used for transmitting torque between two rotating shafts, and the two rotating shafts are respectively positioned at two ends of the structural rods corresponding to the mechanical transmission mechanisms.
Based on the above invention, a novel hardware tool for synchronously assembling and disassembling a plurality of threaded fasteners can be provided, which comprises a rotating shaft, a bearing, a mechanical transmission mechanism and at least two connected structural rods, wherein the bottom end of the rotating shaft is provided with a rotating action part for coaxially matching with the threaded fasteners, the rotating shaft and the bearing are arranged at the end parts of the structural rods in pairs, the number of the mechanical transmission mechanisms is at least two, the mechanical transmission mechanisms are respectively corresponding to the structural rods one by one and are used for transmitting torque between the two rotating shafts, so that when one rotating shaft rotates, other rotating shafts can be driven to synchronously rotate, the purpose of synchronously assembling and disassembling the plurality of threaded fasteners is realized, the time required by assembling and disassembling can be shortened, and the hardware tool is particularly suitable for synchronously assembling and disassembling the threaded fasteners on a rigid testing machine cylinder body, thereby improving the test efficiency and facilitating the practical application and popularization.
In one possible embodiment, the rotary shaft is a screw, wherein the head of the screw is used as a rotary drive.
In one possible design, the bottom end of the rotating shaft is detachably connected with the rotation acting part.
In one possible design, the rotation effecting portion is in the form of a wedge head structure insertable into a head slot or head recess of the threaded fastener.
In one possible design, the bearing is a ball bearing, wherein the balls of the ball bearing are located between the inner race part and the outer race part.
In one possible design, the inner race portion of the bearing is coaxially fixedly connected to a middle portion of the rotating shaft, and includes:
a bearing plate is arranged in the inner ring part, and the middle part of the rotating shaft passes through the central area of the bearing plate in a should-fit mode.
In one possible design, the mechanical transmission mechanism comprises two gears and a force transmission chain, wherein the two gears are respectively in one-to-one correspondence with each of the two rotating shafts;
the gears are coaxially and fixedly connected with the middle parts of the corresponding rotating shafts, and the force transmission chain is used for transmitting torque between the two gears.
In one possible design, at least two of the gears belonging to different mechanical transmission mechanisms are coaxially and fixedly connected to the middle of the rotating shaft.
In one possible design, the force transmission chain comprises a plurality of pin shafts, rollers and chain sheets;
the pin shaft penetrates through the center of the roller, two ends of each chain sheet are fixedly connected with one side end of each two adjacent pin shafts respectively, and a surrounding space can be meshed with gear teeth of the gear so as to transmit torque, wherein the surrounding space is surrounded by the two adjacent rollers and the two chain sheets respectively positioned on two sides of the pin shafts.
In one possible design, two adjacent structural bars are connected by a hinge mechanism.
The invention has the technical effects that:
(1) the invention provides a novel hardware tool for synchronously assembling and disassembling a plurality of threaded fasteners, which comprises a rotating shaft, bearings, a mechanical transmission mechanism and at least two connected structural rods, wherein the bottom end of the rotating shaft is provided with a rotating action part which is coaxially matched with the threaded fasteners, the rotating shaft and the bearings are arranged at the end parts of the structural rods in pairs, the number of the mechanical transmission mechanisms is at least two, the mechanical transmission mechanisms are respectively in one-to-one correspondence with the structural rods and are used for transmitting torque between the two rotating shafts, so that when one rotating shaft rotates, other rotating shafts are driven to synchronously rotate, the aim of synchronously assembling and disassembling the plurality of threaded fasteners is fulfilled, the time required by assembling and disassembling can be shortened, and the hardware tool is particularly suitable for synchronously assembling and disassembling the threaded fasteners on a rigid testing machine cylinder body, thereby improving the test efficiency and facilitating the practical application and popularization;
(2) because there is more wiring around the rigidity testing machine, if use synchronous handling instrument of many threaded fastener carries out the loading and unloading of threaded fastener, still can avoid appearing the personal or equipment potential safety hazard.
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 the drawings without creative efforts.
FIG. 1 is a schematic top view of the multi-threaded fastener synchronous loading and unloading tool of the present invention.
FIG. 2 is a partially enlarged schematic view of the top view structure of the multi-threaded fastener synchronous loading and unloading tool provided by the present invention.
FIG. 3 is a schematic view of the cross-sectional view A-A of the multi-threaded fastener synchronous loading and unloading tool of the present invention.
FIG. 4 is an enlarged partial schematic view of the cross-sectional structure A-A of the multi-threaded fastener synchronous loading and unloading tool of the present invention.
In the above drawings: 1-a rotating shaft; 2-a bearing; 21-an inner ring portion; 22-an outer collar portion; 23-a ball bearing; 24-a bearing plate; 3-a mechanical transmission mechanism; 31-a gear; 32-a force transmission chain; 321-a pin roll; 322-a roller; 323-chain sheet; 4-structural rod.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely representative of exemplary embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
Example one
As shown in fig. 1 to 4, the synchronous loading and unloading tool for multi-thread fasteners provided in this embodiment includes a rotating shaft 1, a bearing 2, a mechanical transmission mechanism 3, and at least two connected structural rods 4, wherein a rotating action portion for coaxial matching with the thread fasteners is provided at a bottom end of the rotating shaft 1; the rotating shaft 1 and the bearing 2 are arranged in pairs at the end of the structural rod 4, wherein an inner ring part 21 of the bearing 2 is coaxially and fixedly connected with the middle part of the rotating shaft 1, and an outer ring part 22 of the bearing 2 is fixedly connected with the end of the structural rod 4; the number of the mechanical transmission mechanisms 3 is at least two and is respectively in one-to-one correspondence with the structural rods 4, the mechanical transmission mechanisms 3 are used for transmitting torque between the two rotating shafts 1, and the two rotating shafts 1 are respectively positioned at two ends of the structural rods 4 corresponding to the mechanical transmission mechanisms 3.
As shown in fig. 1 to 4, in the specific structure of the multi-threaded fastener synchronous loading and unloading tool, the rotating shaft 1 is used as a working component directly contacting with the threaded fastener, and is coaxially matched with the threaded fastener to be loaded and unloaded through a rotating action part arranged at the bottom end, so that the threaded fastener is driven to rotate (including a forward screwing-in rotation action and a reverse screwing-out rotation action) through the rotation of the rotating shaft, and the loading and unloading purposes (including loading and unloading) of the threaded fastener are further realized. Preferably, the rotating shaft 1 is a bolt, wherein the head of the bolt is used as a rotation driving part to drive the rotating shaft 1 manually or electrically to perform an original rotation action, wherein the rotation driving part can be, but not limited to, a polygonal structure (such as a regular hexagon structure) or a structure with a head slot or a head notch. The threaded fastener is a mechanical assembly part with internal or external threads, and may be, but is not limited to, a screw, a nut, a bolt, or the like, for example, a threaded fastener for mounting and dismounting on a cylinder of a rigidity testing machine. In order to facilitate the threaded fasteners of different types or models to be replaced by corresponding and coaxially matched rotation action parts, the bottom end of the rotating shaft 1 and the rotation action parts are preferably in a detachable connection relationship. Furthermore, the rotation acting portion preferably employs a wedge head structure that is insertable into a head slot or a head recess of the threaded fastener, such as a "in-line" or "cross" wedge head structure, or the like; of course, the wrench structure of the electric wrench can be adopted.
The bearing 2 is used for realizing the relative rotation of the rotating shaft 1 and the structural rod 4, and the fixed position of the structural rod 4 is not influenced when the rotating shaft 1 rotates. Preferably, the bearing 2 may be, but is not limited to, a ball bearing, wherein balls 23 of the ball bearing are located between the inner ring portion 21 and the outer ring portion 22 for further eliminating the influence of the rotation of the rotating shaft 1 on the structural rod 4. The mechanical transmission mechanism 3 is used for transmitting torque (generated by the rotating shafts 1 during rotation) between the two rotating shafts 1, so that when one rotating shaft 1 rotates, the other rotating shaft 1 can be driven to rotate. The structural rod 4 is used for bearing two rotating shafts 1 which are in one-to-one correspondence with two adjacent threaded fasteners through the bearing 2, so that the rotating action parts of the two rotating shafts 1 can be respectively and simultaneously in coaxial fit with the two adjacent threaded fasteners, and the purpose of synchronously assembling and disassembling the two adjacent threaded fasteners is realized. Because at least two structural rods 4 are connected, the divergent transmission of torque can be realized through the mechanical transmission mechanism 3, that is, when one rotating shaft 1 rotates, other rotating shafts 1 can be driven to rotate synchronously, as shown in fig. 1, for example, there are nine structural rods 4 connected in sequence (certainly not limited to being connected in sequence, but also being connected in star-like manner, etc.), nine mechanical transmission mechanisms 3 and ten pairs of the rotating shafts 1 and bearings 2 need to be configured, so that when one rotating shaft 1 rotates, the other nine rotating shafts 1 can be driven to rotate in sequence through the nine mechanical transmission mechanisms 3, and then the purpose of synchronously assembling and disassembling ten threaded fasteners is realized. In addition, the number of the structural rods 4 does not need to be hooked with the number of the threaded fasteners to be assembled and disassembled, and can also be related to the distance relationship of the threaded fasteners to be assembled and disassembled, because the length of the structural rods 4 is fixed, if the distance between two threaded fasteners to be assembled and disassembled is long, a plurality of mechanical transmission mechanisms 3 corresponding to a plurality of connected structural rods 4 are required to realize the relay transmission of torque, and the purpose of synchronously assembling and disassembling two remote threaded fasteners to be assembled and disassembled is realized.
Therefore, based on the detailed structural description of the multi-thread fastener synchronous loading and unloading tool, a novel hardware tool for synchronously loading and unloading a plurality of thread fasteners can be provided, namely, the hardware tool comprises a rotating shaft, bearings, mechanical transmission mechanisms and at least two connected structural rods, wherein the bottom end of the rotating shaft is provided with a rotating action part which is coaxially matched with the thread fasteners, the rotating shaft and the bearings are arranged at the end parts of the structural rods in pairs, the mechanical transmission mechanisms are at least two in number and respectively correspond to the structural rods one to one and are used for transmitting torque between the two rotating shafts, so that when one rotating shaft rotates, other rotating shafts can be driven to synchronously rotate, the purpose of synchronously loading and unloading a plurality of thread fasteners is realized, the time required by loading and unloading can be shortened, and the hardware tool is particularly suitable for synchronously loading and unloading the thread fasteners on a cylinder body of a rigidity testing machine, thereby improving the test efficiency and facilitating the practical application and popularization. In addition, because there is more wiring around the rigidity testing machine, if use synchronous handling instrument of many threaded fastener carries out the loading and unloading of threaded fastener, still can avoid appearing the personal or equipment potential safety hazard.
Preferably, the inner ring portion 21 of the bearing 2 is coaxially and fixedly connected to the middle portion of the rotating shaft 1, and includes but is not limited to: a bearing plate 24 is provided in the inner race portion 21, and a center portion of the rotary shaft 1 passes through a center region of the bearing plate 24 with an interference fit. As shown in fig. 2, the bearing plate 24 is provided to achieve the coaxial fixed connection between the inner ring portion 21 and the rotary shaft 1, and to form a single fixed body.
Preferably, the mechanical transmission mechanism 3 includes two gears 31 and a force transmission chain 32, wherein the two gears 31 are respectively in one-to-one correspondence with each of the two rotating shafts 1; the gear 31 is coaxially and fixedly connected with the middle part of the corresponding rotating shaft 1, and the force transmission chain 32 is used for transmitting torque between the two gear 31. As shown in fig. 2, the gear 31 and the force transmission chain 32 are arranged, so that the gear 31 can rotate along with the rotation of the corresponding rotating shaft 1, and further, the force transmission chain 32 in direct contact with the gear 31 is driven to rotate, and finally, the other gear and the rotating shaft are driven to rotate, thereby achieving the purpose of torque transmission between the two rotating shafts 1. In order to facilitate the transmission of torque to the rotating shaft 1 under the other structural rod 4, it is preferable that at least two gears 31 belonging to different mechanical transmission mechanisms are coaxially and fixedly connected to the middle of the rotating shaft 1, as shown in fig. 4. In addition, the mechanical transmission mechanism 3 can also adopt a mode of tightening a belt and the like to realize the purpose of transmitting torque between the two rotating shafts 1.
In detail, preferably, the force transmission chain 32 comprises a plurality of pin shafts 321, rollers 322 and chain pieces 323; the pin shaft 321 penetrates through the center of the roller 322, two ends of each chain piece 323 are respectively and fixedly connected with one side end of each of two adjacent pin shafts 321, and an enclosed space can be meshed with the gear teeth of the gear 31 so as to transmit torque, wherein the enclosed space is enclosed by two adjacent rollers 322 and two chain pieces 323 respectively positioned on two sides of the pin shafts 321. As shown in fig. 2, the enclosed space can be engaged with the teeth of the gear 31, that is, the space between two adjacent rollers 322 can meet the engagement requirement of the gear, so as to achieve the function of driving the force transmission chain to move by the rotation of the gear.
Preferably, two adjacent structural rods 4 are connected by a hinge mechanism. Through aforementioned setting, can change two adjacent structural rod 4's crossing angle to the position of adjustment corresponding rotation axis satisfies many threaded fastener's the different demands of arranging, further promotes practical flexibility. Furthermore, the articulation mechanism may be embodied, but not limited to, using an angle adjuster.
To sum up, adopt the synchronous handling instrument of many threaded fastener that this embodiment provided, have following technological effect:
(1) the embodiment provides a novel hardware tool for synchronously assembling and disassembling a plurality of threaded fasteners, which comprises a rotating shaft, bearings, a mechanical transmission mechanism and at least two connected structural rods, wherein the bottom end of the rotating shaft is provided with a rotating action part which is coaxially matched with the threaded fasteners, the rotating shaft and the bearings are arranged at the end parts of the structural rods in pairs, the number of the mechanical transmission mechanisms is at least two, the mechanical transmission mechanisms are respectively in one-to-one correspondence with the structural rods and are used for transmitting torque between the two rotating shafts, so that when one rotating shaft rotates, the other rotating shafts are driven to synchronously rotate, the purpose of synchronously assembling and disassembling the plurality of threaded fasteners is realized, the time required by assembling and disassembling can be shortened, and the hardware tool is particularly suitable for synchronously assembling and disassembling the threaded fasteners on a cylinder body of a rigid testing machine, thereby improving the test efficiency and facilitating the practical application and popularization;
(2) because there is more wiring around the rigidity testing machine, if use synchronous handling instrument of many threaded fastener carries out the loading and unloading of threaded fastener, still can avoid appearing the personal or equipment potential safety hazard.
Finally, it should be noted that the present invention is not limited to the above alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (10)
1. The synchronous loading and unloading tool for the multi-thread fasteners is characterized by comprising a rotating shaft (1), a bearing (2), a mechanical transmission mechanism (3) and at least two connected structural rods (4), wherein the bottom end of the rotating shaft (1) is provided with a rotating action part which is coaxially matched with the thread fasteners;
the rotating shaft (1) and the bearing (2) are arranged in pairs at the end part of the structural rod (4), wherein the inner ring part (21) of the bearing (2) is coaxially and fixedly connected with the middle part of the rotating shaft (1), and the outer ring part (22) of the bearing (2) is fixedly connected with the end part of the structural rod (4);
the number of the mechanical transmission mechanisms (3) is at least two, the two mechanical transmission mechanisms are respectively in one-to-one correspondence with the structural rods (4), the mechanical transmission mechanisms (3) are used for transmitting torque between the two rotating shafts (1), and the two rotating shafts (1) are respectively positioned at two ends of the structural rods (4) corresponding to the mechanical transmission mechanisms (3).
2. Synchronous handling tool for multi-threaded fasteners according to claim 1, characterized in that the rotating shaft (1) is a bolt, wherein the head of the bolt is intended to be the rotary drive.
3. The simultaneous multi-threaded fastener loading and unloading tool according to claim 1, characterized in that the bottom end of the rotary shaft (1) is in detachable connection with the rotation effecting portion.
4. The simultaneous multi-threaded fastener loading and unloading tool of claim 1, wherein the rotation effecting portion is of wedge head construction insertable into a head slot or head recess of the threaded fastener.
5. Synchronous handling tool for multi-threaded fasteners according to claim 1, characterized in that the bearing (2) is a ball bearing, wherein the balls (23) of the ball bearing are located between the inner race part (21) and the outer race part (22).
6. The tool for synchronously assembling and disassembling a multi-threaded fastener according to claim 1, wherein the inner race portion (21) of the bearing (2) is coaxially and fixedly connected to a middle portion of the rotary shaft (1), and comprises:
a bearing plate (24) is provided in the inner ring portion (21), and the center of the rotating shaft (1) passes through the center region of the bearing plate (24) in an interference fit manner.
7. The tool for the simultaneous handling of multi-threaded fasteners as recited in claim 1, characterized in that said mechanical transmission means (3) comprise gears (31) and a transmission chain (32), wherein the number of said gears (31) is two and corresponds to each of said two rotary shafts (1) one by one;
the gears (31) are coaxially and fixedly connected with the middle parts of the corresponding rotating shafts (1), and the force transmission chain (32) is used for transmitting torque between the two gears (31).
8. Synchronous handling tool for multi-threaded fasteners according to claim 7, characterized in that at least two of said toothed wheels (31) belonging to different mechanical transmission mechanisms are coaxially and fixedly connected to the middle of said rotating shaft (1).
9. The tool for synchronously assembling and disassembling multiple-threaded fasteners according to claim 7, characterized in that said force-transmitting chain (32) comprises a plurality of pins (321), rollers (322) and links (323);
the pin shaft (321) penetrates through the center of the roller (322), two ends of each chain piece (323) are respectively and fixedly connected with one side end of each of two adjacent pin shafts (321), a surrounding space can be meshed with gear teeth of the gear (31) so as to transmit torque, and the surrounding space is formed by surrounding the two adjacent rollers (322) and the two chain pieces (323) which are respectively positioned on two sides of the pin shafts (321).
10. Synchronous handling tool for multi-threaded fasteners according to claim 1, characterized in that two adjacent structural rods (4) are connected by a hinge mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637712.4A CN113183093A (en) | 2021-06-08 | 2021-06-08 | Synchronous handling instrument of many threaded fastener |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110637712.4A CN113183093A (en) | 2021-06-08 | 2021-06-08 | Synchronous handling instrument of many threaded fastener |
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| CN113183093A true CN113183093A (en) | 2021-07-30 |
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| CN202110637712.4A Pending CN113183093A (en) | 2021-06-08 | 2021-06-08 | Synchronous handling instrument of many threaded fastener |
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- 2021-06-08 CN CN202110637712.4A patent/CN113183093A/en active Pending
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Application publication date: 20210730 |