CN218491280U

CN218491280U - Shield hobbing cutter auxiliary device

Info

Publication number: CN218491280U
Application number: CN202221812660.6U
Authority: CN
Inventors: 师永珍; 李功伟; 刘玉景; 刘建东; 沈文宾; 朱炜健
Original assignee: China Railway Construction South China Construction Co Ltd; CRCC South China Construction Guangzhou High Tech Industry Co Ltd
Current assignee: China Railway Construction South China Construction Co Ltd; CRCC South China Construction Guangzhou High Tech Industry Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-17
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to a shield constructs hobbing cutter auxiliary device, shield constructs hobbing cutter auxiliary device and includes: the clamping device comprises a first clamping arm and a second clamping arm, wherein the first clamping arm is provided with a first rotating part and is rotatably connected with the second clamping arm through the first rotating part; the first lifting claw is rotatably connected with one end of the first clamping arm, the second lifting claw is rotatably connected with one end of the second clamping arm, and the first lifting claw and the second lifting claw are oppositely arranged. In the use, operate first arm lock and second arm lock for first arm lock and second arm lock rotate, drive first lifting claw and second lifting claw centre gripping on the hobbing cutter outer wall, make when shield constructs the hobbing cutter maintenance and change convenient upset, removal, are favorable to reducing manual operation's intensity of labour, and improve work efficiency, reduce the potential safety hazard of during operation, improve the operation security.

Description

Shield hob auxiliary device

Technical Field

The utility model relates to an urban rail transit equipment technical field especially relates to a shield constructs hobbing cutter auxiliary device.

Background

With the development of economy, the improvement of traffic capacity also becomes a pressing urgency, and shield tunnel projects are increasingly increased. When the shield cutter is used as a tooth of a shield machine, the hob on the cutter head is tightly pressed on a rock surface under the action of the jack when the rock is broken, and the hob revolves and rotates along with the rotation of the cutter head to perform the actions of extrusion, shearing, tension cracking and the like on the rock, so that the rock breaking is realized. When the hob is used for breaking rock, huge load and impact can be received, and a large amount of heat can be generated due to friction between the hob and the rock, so that the temperature of the hob is rapidly increased, and the sealing performance of the hob fails.

In the prior art, when a shield hob is maintained and replaced, the hob needs to be turned and moved for multiple times when parts such as a bearing, a floating sealing seat, an end cover and a cutter ring are installed and disassembled, the weight of parts of the added hob is large, the labor intensity of manual operation is high, the efficiency is low, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Therefore, the shield hob auxiliary device is needed to be provided, the assembly and disassembly convenience of the shield hob can be effectively improved, and the potential safety hazard during operation is reduced.

The technical scheme is as follows: a shield constructs hobbing cutter auxiliary device, shield constructs hobbing cutter auxiliary device includes: the clamping device comprises a first clamping arm and a second clamping arm, wherein the first clamping arm is provided with a first rotating part and is rotatably connected with the second clamping arm through the first rotating part; first lifting claw and second lifting claw, first lifting claw with the one end of first arm lock is rotated and is connected, the second lifting claw with the one end of second arm lock is rotated and is connected, just first lifting claw with the second lifting claw sets up relatively, first arm lock is relative when second arm lock rotates, first lifting claw with the second lifting claw is close to or keeps away from the motion, first lifting claw with the second lifting claw all is used for the centre gripping hobbing cutter.

Above-mentioned shield constructs hobbing cutter auxiliary device, in the use, operate first arm lock and second arm lock, make first arm lock and second arm lock rotate, drive first lifting claw and second lifting claw centre gripping on the hobbing cutter outer wall, after the centre gripping, because first lifting claw rotates respectively with the second lifting claw and is connected in first arm lock and second arm lock, make when shield constructs the hobbing cutter maintenance and changes convenient upset, remove, be favorable to reducing manual operation's intensity of labour, and improve work efficiency, reduce the potential safety hazard of during operation, improve the operational safety.

In one embodiment, the first clamping arm comprises a first connecting portion and a first clamping portion, the first connecting portion is connected with the first clamping portion in an included angle mode, the first lifting claw is connected with the first clamping portion in a rotating mode, the second clamping arm comprises a second connecting portion and a second clamping portion, the second connecting portion is connected with the second clamping portion in an included angle mode, the second lifting claw is connected with the second clamping portion in a rotating mode, the first connecting portion and the second connecting portion are arranged in a crossed mode, and the first clamping portion and the second clamping portion are arranged in a crossed mode.

In one embodiment, the shield hob assisting device further comprises a fastener, and the first connecting part and the second connecting part are in fastening fit through the fastener.

In one embodiment, the first connecting portion is provided with a first kidney-shaped hole, the second connecting portion is provided with a second kidney-shaped hole, when the first clamping arm and the second clamping arm rotate, at least a part of the first kidney-shaped hole and the second kidney-shaped hole are overlapped and communicated, and the first kidney-shaped hole and the second kidney-shaped hole are both used for the fastener to pass through.

In one embodiment, the first rotating portion is a through hole, the second clamping portion is also provided with a through hole corresponding to the first rotating portion, and the first clamping portion and the second clamping portion are rotatably connected through a pin shaft.

In one embodiment, the shield hob auxiliary device further comprises a first shackle and a second shackle, wherein the first shackle is movably connected with the first connecting portion, and the second shackle is movably connected with the second connecting portion.

In one embodiment, the first lifting claw comprises a first supporting plate and a first clamping claw, the first clamping claw is connected with the first supporting plate, the first clamping claw is provided with a first clamping groove, and the first clamping claw is used for being clamped with the circumferential outer wall of the shield hobbing cutter through the first clamping groove; the second lifting claw comprises a second supporting plate and a second clamping jaw, the second clamping jaw is connected with the second supporting plate, a second clamping groove is formed in the second clamping jaw, the second clamping jaw is arranged opposite to the first clamping jaw, and the second clamping jaw is used for being connected with the circumferential outer wall of the shield hobbing cutter in a clamped mode.

In one embodiment, the number of the first clamping jaws is more than two, and the more than two first clamping jaws are arranged on the first supporting plate at intervals; the second clamping jaws are more than two, and the second clamping jaws are arranged on the second supporting plate at intervals.

In one embodiment, the first clamping arm further comprises a first matching portion, the first lifting claw is connected with the first clamping portion in an included angle mode through the first matching portion, the second clamping arm further comprises a second matching portion, the second lifting claw is connected with the second clamping portion in an included angle mode through the second matching portion, and the length directions of the first matching portion and the second matching portion are parallel.

In one embodiment, the plane where the first matching part is located and the plane where the second matching part is located are the same plane, and the first matching part and the second matching part are coaxially arranged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 first schematic structural diagram of a shield hob auxiliary device in one embodiment;

fig. 2 is a second schematic structural diagram of the shield hob auxiliary device in one embodiment;

fig. 3 is a schematic structural diagram of the first mating portion and the second mating portion in an embodiment.

Description of the reference numerals:

100. a shield hob auxiliary device; 110. a first clamp arm; 111. a first connection portion; 112. a first clamping portion; 113. a first kidney-shaped hole; 114. a first fitting portion; 120. a second clamp arm; 121. a second connecting portion; 122. a second clamping portion; 123. a second kidney-shaped hole; 124. a second mating portion; 130. a first lifting claw; 131. a first support plate; 132. a first jaw; 133. a first card slot; 140. a second lifting claw; 141. a second support plate; 142. a second jaw; 143. a second card slot; 150. a first shackle; 160. and (7) second shackle.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a shield hob auxiliary device 100 according to an embodiment of the present invention; fig. 2 shows the structural schematic diagram of the shield hobbing cutter auxiliary device 100 in the embodiment of the present invention, which is the same as the structural schematic diagram of the shield hobbing cutter auxiliary device 100 provided in the embodiment of the present invention, the shield hobbing cutter auxiliary device 100 includes: a first clamping arm 110, a second clamping arm 120, a first lifting claw 130 and a second lifting claw 140. The first clamping arm 110 is provided with a first rotating portion, and the first clamping arm 110 is rotatably connected with the second clamping arm 120 through the first rotating portion. The first lifting claw 130 is rotatably connected to one end of the first clamping arm 110, the second lifting claw 140 is rotatably connected to one end of the second clamping arm 120, and the first lifting claw 130 and the second lifting claw 140 are disposed opposite to each other. When the first clamping arm 110 rotates relative to the second clamping arm 120, the first lifting claw 130 and the second lifting claw 140 move close to or away from each other, and both the first lifting claw 130 and the second lifting claw 140 are used for clamping the hob.

Above-mentioned shield constructs hobbing cutter auxiliary device 100, in the use, operate first arm lock 110 and second arm lock 120, make first arm lock 110 and second arm lock 120 rotate, drive first lifting claw 130 and the centre gripping of second lifting claw 140 on the hobbing cutter outer wall, after the centre gripping, because first lifting claw 130 rotates respectively with second lifting claw 140 and connects in first arm lock 110 and second arm lock 120, make when shield constructs the hobbing cutter maintenance and changes convenient upset, remove, be favorable to reducing manual operation's intensity of labour, and improve work efficiency, reduce the potential safety hazard of during operation, improve the operation security.

In one embodiment, referring to fig. 1 and 2, the first clamping arm 110 includes a first connecting portion 111 and a first clamping portion 112. The first connecting portion 111 is connected to the first clamping portion 112 at an included angle, and the first hanging claw 130 is rotatably connected to the first clamping portion 112. The second clamping arm 120 includes a second connecting portion 121 and a second clamping portion 122, and the second connecting portion 121 and the second clamping portion 122 are connected at an included angle. The second hanging claw 140 is rotatably connected to the second clamping portion 122, the first connecting portion 111 is disposed to intersect with the second connecting portion 121, and the first clamping portion 112 is disposed to intersect with the second clamping portion 122. Thus, when the first clamping portion 112 and the second clamping portion 122 are rotated, the rotation strokes of the first connecting portion 111 and the second connecting portion 121 are crossed, so that two crossed structures are formed, the overall size is reduced, and the fastening is facilitated.

In one embodiment, referring to fig. 1 and fig. 2, the shield hob assisting device 100 further includes a fastener, and the first connecting portion 111 and the second connecting portion 121 are tightly matched by the fastener. Therefore, after the shield hob is clamped by the first lifting claw 130 and the second lifting claw 140 through the fastening action of the fastening piece, the shield hob auxiliary device 100 can be prevented from loosening or shaking relatively with a cutter ring to enable the hob to fall off in the hoisting process through the fastening action of the fastening piece, and the use reliability of the shield hob auxiliary device 100 is improved.

Specifically, referring to fig. 1 and fig. 2, the first connecting portion 111 is provided with a first waist-shaped hole 113, and the second connecting portion 121 is provided with a second waist-shaped hole 123. When the first clamping arm 110 and the second clamping arm 120 rotate, at least a part of the first kidney-shaped hole 113 and the second kidney-shaped hole 123 are overlapped and communicated, and the first kidney-shaped hole 113 and the second kidney-shaped hole 123 are both used for a fastener to pass through. For example, the fastener is a bolt, and is tightly fitted by a screw and a nut. Therefore, in the face of shield hobbing cutters with different sizes, operations such as hoisting and turning can be realized by changing the opening angles of the first clamping arm 110 and the second clamping arm 120 and by the fastening action of the fasteners on the first kidney-shaped hole 113 and the second kidney-shaped hole 123, and the applicability and compatibility of the shield hobbing cutter auxiliary device 100 are improved.

In other embodiments, the fastener may also be a hook, pin, screw, or other fastening structure.

In one embodiment, referring to fig. 1 and fig. 2, the first rotating portion is a through hole, the second clamping portion 122 is also provided with a through hole corresponding to the first rotating portion, and the first clamping portion 112 and the second clamping portion 122 are rotatably connected by a pin. Thus, the first clamping portion 112 and the second clamping portion 122 are connected to each other by a pin, which is beneficial to improving the smoothness and stability of the rotation of the first clamping arm 110 and the second clamping arm 120.

In one embodiment, referring to fig. 1 and 2, the shield hob assisting device 100 further includes a first shackle 150 and a second shackle 160, the first shackle 150 is movably connected to the first connecting portion 111, and the second shackle 160 is movably connected to the second connecting portion 121. For example, both the first shackle 150 and the second shackle 160 are D-shackles. So, conveniently hoist behind the shield structure hobbing cutter centre gripping, improve production efficiency.

In one embodiment, referring to fig. 1 and 2, the first hanging claw 130 includes a first supporting plate 131 and a first claw 132. The first jaw 132 is connected with the first support plate 131, the first jaw 132 is provided with a first clamping groove 133, and the first jaw 132 is clamped with the circumferential outer wall of the shield hob through the first clamping groove 133. The second hanging claw 140 includes a second support plate 141 and a second claw 142, the second claw 142 is connected to the second support plate 141, and the second claw 142 is provided with a second engaging groove 143. The second jaw 142 is arranged opposite to the first jaw 132, and the second jaw 142 is used for being clamped with the circumferential outer wall of the shield hob through a second clamping groove 143. So, through the setting of first draw-in groove 133 with second draw-in groove 143, can all provide supporting role in both sides about the centre gripping hobbing cutter, and then improve centre gripping stability.

In one embodiment, referring to fig. 1 and 2, the number of the first claws 132 is two or more, and the two or more first claws 132 are spaced apart from each other on the first support plate 131. The number of the second claws 142 is two or more, and the two or more second claws 142 are spaced apart from each other on the second support plate 141. Further, the first support plate 131 is circular arc-shaped, and the second support plate 141 is circular arc-shaped. There are three first jaws 132 and three second jaws 142. So, be favorable to providing more clamping position in the circumference of hobbing cutter, improve the stability and the reliability of centre gripping and hoist and mount.

Referring to fig. 3 and 3, which are schematic structural views illustrating a first matching portion 114 and a second matching portion 124 according to an embodiment of the present invention, in an embodiment, the first clamping arm 110 further includes the first matching portion 114, and the first lifting claw 130 is connected to the first clamping portion 112 through the first matching portion 114 at an included angle. The second clamping arm 120 further includes a second engaging portion 124, and the second lifting claw 140 is connected to the second clamping portion 122 via the second engaging portion 124 at an included angle. And the length directions of the first matching part 114 and the second matching part 124 are parallel. Specifically, the first engaging portion 114 is rotatably connected to the first support plate 131 by a pin, and the second engaging portion 124 is rotatably connected to the second support plate 141 by a pin. In this way, the first matching part 114 and the second matching part 124 arranged in parallel can provide a larger space for clamping and turning over the shield hob, and further improve the working efficiency.

The first matching portion 114 and the second matching portion 124 are parallel to each other in the length direction, and it should be understood that the length direction of the first matching portion 114 and the length direction of the second matching portion 124 are the same direction. To further understand and explain the length direction of the first engaging portion 114, taking fig. 2 as an example, the length direction of the first engaging portion 114 is the straight line S in fig. 2 ₁ In the direction indicated by any arrow above.

Further, referring to fig. 3, a plane of the first matching portion 114 and a plane of the second matching portion 124 are the same plane, and the first matching portion 114 and the second matching portion 124 are coaxially disposed. Thus, since the first clamping portion 112 and the second clamping portion 122 both have a certain thickness, when the two are connected by the pin rotation, the transverse positions thereof do not coincide with each other. And because first lifting claw 130 and second lifting claw 140 need to flush the symmetry setting during centre gripping hobbing cutter, just can press from both sides tight hobbing cutter, consequently, first cooperation portion 114 is connected with first clamping part 112 in the thickness direction stagger for first cooperation portion 114 and second cooperation portion 124 are at the coincidence of thickness direction and coaxial setting, can make first lifting claw 130 and second lifting claw 140 symmetry setting, are favorable to guaranteeing clamping stability.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a shield constructs hobbing cutter auxiliary device which characterized in that, shield constructs hobbing cutter auxiliary device includes:

the clamping device comprises a first clamping arm and a second clamping arm, wherein the first clamping arm is provided with a first rotating part and is rotatably connected with the second clamping arm through the first rotating part;

first lifting claw and second lifting claw, first lifting claw with the one end of first arm lock is rotated and is connected, the second lifting claw with the one end of second arm lock is rotated and is connected, just first lifting claw with the second lifting claw sets up relatively, first arm lock is relative when second arm lock rotates, first lifting claw with the second lifting claw is close to or keeps away from the motion, first lifting claw with the second lifting claw all is used for the centre gripping hobbing cutter.

2. The shield hobbing cutter auxiliary device according to claim 1, wherein the first clamping arm comprises a first connecting portion and a first clamping portion, the first connecting portion is connected with the first clamping portion in an included angle, the first lifting claw is rotatably connected with the first clamping portion, the second clamping arm comprises a second connecting portion and a second clamping portion, the second connecting portion is connected with the second clamping portion in an included angle, the second lifting claw is rotatably connected with the second clamping portion, the first connecting portion and the second connecting portion are arranged in a crossed manner, and the first clamping portion and the second clamping portion are arranged in a crossed manner.

3. The shield hob assisting apparatus according to claim 2, wherein the shield hob assisting apparatus further comprises a fastener, and the first connecting portion and the second connecting portion are tightly fitted through the fastener.

4. The shield hobbing cutter auxiliary device of claim 3, wherein a first kidney-shaped hole is formed in the first connecting portion, a second kidney-shaped hole is formed in the second connecting portion, at least a part of the first kidney-shaped hole and the second kidney-shaped hole are overlapped and communicated when the first clamping arm and the second clamping arm rotate, and the first kidney-shaped hole and the second kidney-shaped hole are used for the fastener to pass through.

5. The shield hob auxiliary device according to claim 2, wherein the first rotating portion is a through hole, the second clamping portion is also provided with a through hole corresponding to the first rotating portion, and the first clamping portion and the second clamping portion are rotatably connected through a pin.

6. The shield hob auxiliary apparatus of claim 2, further comprising a first shackle and a second shackle, the first shackle being movably connected to the first connection portion and the second shackle being movably connected to the second connection portion.

7. The shield hobbing cutter auxiliary device according to claim 2, wherein the first lifting claw comprises a first support plate and a first clamping claw, the first clamping claw is connected with the first support plate, the first clamping claw is provided with a first clamping groove, and the first clamping claw is used for being clamped with the circumferential outer wall of the shield hobbing cutter through the first clamping groove; the second lifting claw comprises a second supporting plate and a second clamping jaw, the second clamping jaw is connected with the second supporting plate, a second clamping groove is formed in the second clamping jaw, the second clamping jaw is arranged opposite to the first clamping jaw, and the second clamping jaw is used for being connected with the circumferential outer wall of the shield hobbing cutter in a clamping mode through the second clamping groove.

8. The shield hob auxiliary apparatus according to claim 7, wherein the number of the first claws is two or more, and the two or more first claws are spaced apart from each other on the first support plate; the second clamping jaws are more than two, and the second clamping jaws are arranged on the second supporting plate at intervals.

9. The shield constructs hobbing cutter auxiliary device of any of claims 2-8, characterized in that, first arm lock still includes first cooperation portion, first lifting claw is through first cooperation portion with first clamping part is the contained angle and is connected, second arm lock still includes second cooperation portion, second lifting claw is through second cooperation portion with the second clamping part is the contained angle and is connected, and first cooperation portion is parallel with the length direction of second cooperation portion.

10. The shield hob auxiliary device of claim 9, wherein a plane of the first matching portion and a plane of the second matching portion are the same plane, and the first matching portion and the second matching portion are coaxially arranged.