CN214787387U - Shield constructs quick-witted hobbing cutter tool changing device - Google Patents
Shield constructs quick-witted hobbing cutter tool changing device Download PDFInfo
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- CN214787387U CN214787387U CN202120968256.7U CN202120968256U CN214787387U CN 214787387 U CN214787387 U CN 214787387U CN 202120968256 U CN202120968256 U CN 202120968256U CN 214787387 U CN214787387 U CN 214787387U
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- mobile jib
- hobbing cutter
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Abstract
The utility model provides a pair of shield constructs quick-witted hobbing cutter tool changing device, including clamping part, connecting rod, motion control portion. Wherein the clamping part is used for the centre gripping hobbing cutter to in carrying out the tool changing of hobbing cutter, the clamping part includes the mobile jib, slide and set up in inside vice pole and the hydraulic system of mobile jib, the mobile jib adopts the half-circular arc structure, the mobile jib is inside to be hollow structure, vice pole sets up in the hollow structure of mobile jib, hydraulic system sets up inside the mobile jib, and then makes mobile jib and vice pole constitute the ring that the radian is greater than 180, this ring centre gripping cooperates in the middle part annular groove of hobbing cutter. One end of the connecting rod is fixedly connected with the clamping part. The motion control part is used for controlling the motion of the clamping part so as to complete the hob cutter changing work, and the other end of the connecting rod is connected to the motion control part in a sliding mode. The utility model provides a shield constructs quick-witted hobbing cutter toolchanger has the function that reduces the degree of difficulty of hobbing cutter dismouting work.
Description
Technical Field
The utility model relates to a shield constructs quick-witted hobbing cutter maintenance device field, especially relates to a shield constructs quick-witted hobbing cutter tool changing device.
Background
The shield machine is named as a shield tunnel tunneling machine, is a special engineering machine for tunneling, and becomes the most advanced underground tunnel tunneling machine in the world at present through continuous improvement and development. The construction method integrates the mechanical, electrical, hydraulic, sensing and information technologies, can operate under the condition of not influencing the ground condition, greatly improves the construction efficiency and safety, reduces the cost compared with the traditional construction mode, and is widely applied to tunnel engineering of subways, railways, highways, municipal works, hydropower and the like. The shield machine realizes deflection of the shield body within a certain angle range by controlling the extension of the hinged oil cylinder in the tunneling process, and accurately controls the tunneling direction of the tunnel. The hob needs to be maintained and replaced after being used for a period of time as an important part for excavating rock strata in the shield machine, but the hob is very heavy, a single person is very difficult to carry, disassemble and assemble, the maintenance space of the shield machine is small, multi-person collaborative replacement is not allowed, and then the replacement process of the hob is very difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shield constructs quick-witted hobbing cutter toolchanger for among the solution prior art, when changing the shield constructs quick-witted hobbing cutter, carry the technical problem of dismouting hobbing cutter difficulty.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a shield constructs quick-witted hobbing cutter tool changing device includes:
the clamping part is used for clamping the hob so as to facilitate the hob changing of the hob, the clamping part comprises a main rod, an auxiliary rod and a hydraulic system, the auxiliary rod is arranged inside the main rod in a sliding mode, the hydraulic system is used for driving the auxiliary rod to move, the main rod is of a semi-circular arc structure, the main rod is of a hollow structure, the auxiliary rod is arranged inside the hollow structure of the main rod, the hydraulic system is arranged inside the main rod and is used for driving the auxiliary rod to slide, the main rod and the auxiliary rod form a circular ring with the radian larger than 180 degrees, and the circular ring is clamped and matched in a middle annular groove of the hob;
one end of the connecting rod is fixedly connected with the clamping part;
and the motion control part is used for controlling the motion of the clamping part so as to complete the hob cutter changing work, and the other end of the connecting rod is connected to the motion control part in a sliding manner.
In one embodiment, the hydraulic system includes:
the two sealing pistons are arranged in the inner cavity of the main rod and are connected with the auxiliary rod;
and one end of the hydraulic pipe is communicated with the hydraulic generating device, the other end of the hydraulic pipe is communicated with the inner cavity of the main rod between the two sealing pistons, and the hydraulic pipe is used for conveying hydraulic pressure to the sealing pistons so as to control the telescopic motion of the auxiliary rod through the pistons.
In one embodiment, the motion control part includes:
a control block;
the control button is arranged on the control block, is electrically connected with the hydraulic system and is used for controlling the hydraulic system to work;
the motion cylinder is arranged on the control block, a piston rod of the motion cylinder is connected with the connecting rod, and the connecting rod and the clamping part move through a telescopic action hole of the motion cylinder.
In one embodiment, the clamping device further comprises a reinforcing rod, one end of the reinforcing rod is arranged on the connecting rod, the other end of the reinforcing rod is arranged on the clamping portion, and the reinforcing rod is used for improving the stability of the clamping portion.
In one embodiment, the clamp is made of a high strength alloy steel.
In one embodiment, the two ends of the primary rod are provided with inwardly concave limiting rings, and the limiting rings are used for limiting the movement of the secondary rod and preventing the secondary rod from falling off from the primary rod.
The embodiment of the present invention provides one or more technical solutions, which at least have the following technical effects or advantages:
the embodiment of the utility model provides a shield constructs quick-witted hobbing cutter tool changing device, including clamping part, connecting rod, motion control portion. Wherein the clamping part is used for the centre gripping hobbing cutter to in carrying out the tool changing of hobbing cutter, the clamping part includes the mobile jib, slide and set up in the inside vice pole of mobile jib and be used for driving the hydraulic system of vice pole motion, the mobile jib adopts the half-circular arc structure, the inside hollow structure that is of mobile jib, vice pole sets up in the hollow structure of mobile jib, hydraulic system sets up inside the mobile jib for the vice pole of drive slides, and then make mobile jib and vice pole constitute the ring that the radian is greater than 180, this ring centre gripping cooperates in the middle part annular groove of hobbing cutter. One end of the connecting rod is fixedly connected with the clamping part. The motion control part is used for controlling the motion of the clamping part so as to complete the hob cutter changing work, and the other end of the connecting rod is connected to the motion control part in a sliding mode. When the hobbing cutter needs to be carried, the main rod in the clamping structure is abutted against the middle groove of the hobbing cutter, and the auxiliary rod in the clamping part extends out of the main rod through controlling the hydraulic system, so that the middle groove of the hobbing cutter is surrounded, the hobbing cutter is sleeved by the clamping part, and then the motion control part transmits the motion action to the clamping part through the connecting rod, so that the hobbing cutter is carried, and the difficulty of the dismounting work of the hobbing cutter is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hob cutter changing device of a shield machine provided in an embodiment of the present invention in a normal state;
fig. 2 is a schematic structural view of the shield tunneling machine hob cutter changing device provided by the embodiment of the present invention after an auxiliary rod is extended out;
fig. 3 is a schematic view of the structure of the clamping part and the hob when the clamping part is matched.
Wherein, each reference numeral:
1. a clamping portion; 2. a connecting rod; 3. a motion control section; 4. a reinforcing bar; 5. hobbing cutters; 11. a main rod; 12. an auxiliary rod; 13. a hydraulic system; 51. an annular groove; 111. a limiting ring; 132. a sealing piston; 131. and a hydraulic pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 3, an embodiment of the present application provides a cutter changing device for a shield machine hob 5, which includes a clamping portion 1, a connecting rod 2, and a motion control portion 3. Wherein clamping part 1 is used for centre gripping hobbing cutter 5, so as to carry out the tool changing of hobbing cutter 5, clamping part 1 includes mobile jib 11, slide and set up in the inside vice pole 12 of mobile jib 11 and be used for driving the hydraulic system 13 of vice pole 12 motion, mobile jib 11 adopts the half-circular arc structure, mobile jib 11 is inside to be hollow structure, vice pole 12 sets up in the hollow structure of mobile jib 11, hydraulic system 13 sets up inside mobile jib 11, be used for driving vice pole 12 to slide, and then make mobile jib 11 and vice pole 12 constitute the ring that the radian is greater than 180, this ring centre gripping cooperates in the middle part annular groove 51 of hobbing cutter 5. One end of the connecting rod 2 is fixedly connected with the clamping part 1. The motion control part 3 is used for controlling the motion of the clamping part 1 so as to complete the tool changing work of the hob 5, and the other end of the connecting rod 2 is connected to the motion control part 3 in a sliding mode. When hobbing cutter 5 is carried to needs, support the middle part recess of hobbing cutter 5 with mobile jib 11 among the clamping structure earlier to through control hydraulic system 13, make vice pole 12 in the clamping part 1 stretch out from mobile jib 11, surround the middle part recess of hobbing cutter 5, and then make hobbing cutter 5 entangle by clamping part 1, then motion control portion 3 transmits the motion action to clamping part 1 through connecting rod 2, and then realizes the transport to hobbing cutter 5, reduces the degree of difficulty of 5 dismouting work of hobbing cutter.
In one embodiment, hydraulic system 13 includes a hydraulic tube 131, two sealing pistons 132. The sealing piston 132 is disposed in the inner cavity of the main rod 11, and the sealing piston 132 is connected to the sub-rod 12. One end of the hydraulic pipe 131 is communicated with the hydraulic generating device, the other end of the hydraulic pipe 131 is communicated with the inner cavity of the main rod 11 between the two sealing pistons 132, and the hydraulic pipe 131 is used for conveying hydraulic pressure to the sealing pistons 132 so as to control the telescopic motion of the auxiliary rod 12 through the pistons. When the hob 5 needs to be clamped, the hydraulic generating device (such as a hydraulic pump) starts to work, and hydraulic pressure is conveyed into the inner cavity of the main rod 11 through the hydraulic pipe 131, so that the hydraulic pressure in the inner cavity of the main rod 11 becomes large, the sealing piston 132 is further pushed to move towards the end of the main rod 11, the auxiliary rod 12 is further extended outwards, and the hob 5 is further clamped under the matching of the main rod 11 and the auxiliary rod 12, so that the hob 5 is conveniently carried.
In one embodiment, the motion control section 3 includes a control block, a control button, and a motion cylinder. The control button is arranged on the control block, electrically connected with the hydraulic system 13 and used for controlling the hydraulic system 13 to work. The motion cylinder is arranged on the control block, a piston rod of the motion cylinder is connected with the connecting rod 2, and the connecting rod 2 and the clamping part 1 move through a telescopic action hole of the motion cylinder.
In one embodiment, a reinforcing rod 4 is further included, one end of the reinforcing rod 4 is disposed on the connecting rod 2, the other end of the reinforcing rod 4 is disposed on the clamping portion 1, and the reinforcing rod 4 is used for improving the stability of the clamping portion 1. The reinforcing rod 4 enables the clamping part 1 to bear larger force, and therefore the stability of the tool changing device is improved.
In one embodiment, the clamp 1 is made of a high strength steel alloy. Compared with other metals (such as common carbon steel, aluminum alloy and the like), the strength of the clamping part 1 can be improved by adopting high-strength alloy steel (such as high manganese steel and the like), so that the clamping part 1 can bear larger weight, the tool changing device is more durable, and the service life is longer.
In one embodiment, the two ends of the primary rod 11 are provided with inwardly recessed limiting rings 111, and the limiting rings 111 are used for limiting the movement of the secondary rod 12 and preventing the secondary rod 12 from falling off the primary rod 11.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a shield constructs quick-witted hobbing cutter toolchanger, its characterized in that, shield constructs quick-witted hobbing cutter toolchanger includes:
the clamping part is used for clamping the hob so as to facilitate the hob changing of the hob, the clamping part comprises a main rod, an auxiliary rod and a hydraulic system, the auxiliary rod is arranged inside the main rod in a sliding mode, the hydraulic system is used for driving the auxiliary rod to move, the main rod is of a semi-circular arc structure, the main rod is of a hollow structure, the auxiliary rod is arranged inside the hollow structure of the main rod, the hydraulic system is arranged inside the main rod and is used for driving the auxiliary rod to slide, the main rod and the auxiliary rod form a circular ring with the radian larger than 180 degrees, and the circular ring is clamped and matched in a middle annular groove of the hob;
one end of the connecting rod is fixedly connected with the clamping part;
and the motion control part is used for controlling the motion of the clamping part so as to complete the hob cutter changing work, and the other end of the connecting rod is connected to the motion control part in a sliding manner.
2. The shield tunneling machine hob cutter changing apparatus of claim 1, wherein the hydraulic system comprises:
the two sealing pistons are arranged in the inner cavity of the main rod and are connected with the auxiliary rod;
and one end of the hydraulic pipe is communicated with the hydraulic generating device, the other end of the hydraulic pipe is communicated with the inner cavity of the main rod between the two sealing pistons, and the hydraulic pipe is used for conveying hydraulic pressure to the sealing pistons so as to control the telescopic motion of the auxiliary rod through the pistons.
3. The shield tunneling machine hob cutter changing device of claim 1,
the motion control section includes:
a control block;
the control button is arranged on the control block, is electrically connected with the hydraulic system and is used for controlling the hydraulic system to work;
the motion cylinder is arranged on the control block, a piston rod of the motion cylinder is connected with the connecting rod, and the connecting rod and the clamping part move through a telescopic action hole of the motion cylinder.
4. The shield tunneling machine hob cutter changing device according to claim 1, characterized in that:
still include the stiffener, stiffener one end set up in on the connecting rod, the other end of stiffener set up in on the clamping part, the stiffener is used for improving the stability of clamping part.
5. The shield tunneling machine hob cutter changing device according to claim 1, characterized in that:
the clamping part is made of high-strength alloy steel.
6. The shield tunneling machine hob cutter changing device according to claim 1, characterized in that:
the both ends of mobile jib are provided with the spacing ring of sunken inwards, the spacing ring is used for the restriction the motion of vice pole avoids vice pole is followed drop on the mobile jib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120968256.7U CN214787387U (en) | 2021-05-08 | 2021-05-08 | Shield constructs quick-witted hobbing cutter tool changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120968256.7U CN214787387U (en) | 2021-05-08 | 2021-05-08 | Shield constructs quick-witted hobbing cutter tool changing device |
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| Publication Number | Publication Date |
|---|---|
| CN214787387U true CN214787387U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120968256.7U Active CN214787387U (en) | 2021-05-08 | 2021-05-08 | Shield constructs quick-witted hobbing cutter tool changing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773632A (en) * | 2024-02-28 | 2024-03-29 | 冈田精机(常州)有限公司 | Automatic change tool device |
-
2021
- 2021-05-08 CN CN202120968256.7U patent/CN214787387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773632A (en) * | 2024-02-28 | 2024-03-29 | 冈田精机(常州)有限公司 | Automatic change tool device |
| CN117773632B (en) * | 2024-02-28 | 2024-04-26 | 冈田精机(常州)有限公司 | Automatic change tool device |
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