CN216554009U - Tunnel center rock pillar cleaning and transporting device - Google Patents
Tunnel center rock pillar cleaning and transporting device Download PDFInfo
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- CN216554009U CN216554009U CN202123124932.1U CN202123124932U CN216554009U CN 216554009 U CN216554009 U CN 216554009U CN 202123124932 U CN202123124932 U CN 202123124932U CN 216554009 U CN216554009 U CN 216554009U
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Abstract
The utility model provides a clearing device for a central rock column of a roadway, which belongs to the technical field of roadway construction and comprises a protection part and a locking mechanism, wherein the protection part has a shape matched with the central rock column and is used for being sleeved on the central rock column; the locking mechanism is arranged on the outer side of the protection part and used for hooping the protection part to lock the central rock pillar; or the central rock pillar is arranged on the inner wall of the protection part and used for extruding and locking the central rock pillar. The protective part can be sleeved on the central rock pillar, the locking mechanism can enable the protective part to be in close contact with the central rock pillar, so that the central rock pillar is fixed, then the central rock pillar can be cleaned through connection of the conventional traction equipment or a lifting machine and the protective part, and the cleaning operation is quick, efficient, safe and clean.
Description
Technical Field
The utility model belongs to the technical field of roadway construction, and particularly relates to a roadway center rock column cleaning and conveying device.
Background
At present, a shield machine and a raise boring machine are usually adopted for mechanical excavation in the construction of a roadway, wherein the shield machine can construct a horizontal roadway but cannot construct vertical shaft engineering, and the raise boring machine can only construct a vertical shaft but cannot construct the horizontal roadway; in addition, the two devices can only carry out full-face tunneling, namely, the rock on the tunneling working face is tunneled after being completely crushed, so that on one hand, the tunneling efficiency is low, and on the other hand, the loss of the devices is serious.
Therefore, the inventor records an annular heading machine and a profile heading machine in the prior application, the two devices can generate a central rock pillar in the center of a roadway during roadway construction, the specification of the rock pillar is the same as the profile of the roadway, and the section of the rock pillar is an inner working face of the heading machine. Because the volume and the weight of the rock pillar are large, and the tunneling speed of the tunneling machine is high, the central rock pillar needs to be safely and efficiently cleared, and meanwhile, the continuous operation of the front-end tunneling machine cannot be influenced.
SUMMERY OF THE UTILITY MODEL
Based on the background problem, the utility model aims to provide a clearing device for a central rock pillar of a roadway, which can safely and quickly clear the central rock pillar in the tunneling operation of equipment such as an annular tunneling machine and the like.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
clear device of transporting of tunnel center rock post includes:
the protective part is matched with the central rock column in shape and is used for being sleeved on the central rock column;
the locking mechanism is arranged on the outer side of the protection part and used for hooping the protection part to lock the central rock pillar; or the central rock pillar is arranged on the inner wall of the protection part and used for extruding and locking the central rock pillar.
In one embodiment, the locking mechanism is disposed outside the shield, and includes:
the clamp is of an integral structure or a split structure and is provided with an opening;
retaining member wears to establish the opening part of clamp for adjust the clamp, the retaining member is bolt or electronic lead screw.
Further, the device is cleared to tunnel center rock post still includes:
a load-bearing mine car towed by a tractor to transport the central rock column out;
the clamp is for dividing the body structure, comprises half hoop I and half hoop II, half hoop I and half hoop II divide and establish the both sides at the guard portion, just half hoop I and half hoop II keep away from the one end of retaining member all with the bearing mine car is articulated.
In one embodiment, the locking mechanism is provided on an inner wall of the guard, including:
the periphery of the roller is used for being attached to the central rock pillar;
the sliding chute I and the sliding chute II are respectively arranged on two sides of the rolling shaft;
removal arm I, removal arm II, removal arm I cunning joins in marriage and connects on spout I, removal arm II cunning joins in marriage and connects on spout II, just removal arm I and removal arm II all with the roller bearing rotates to be connected, removal arm I and removal arm II's removal orbit inclines to the inside of guard portion to make the roller bearing extrusion locking center rock pillar.
Furthermore, unidirectional teeth are arranged on the periphery of the roller, and tooth sockets matched with the unidirectional teeth are formed in the protective portion and correspond to the moving track of the roller.
Further, the device is cleared to tunnel center rock post still include:
cutting part for carry out axial segmentation to central rock pillar, in order to cut apart into a plurality of rock pieces with central rock pillar, cutting part is rope saw cutting group, includes:
the rope saw main machines are at least provided with two groups, and the plurality of groups of rope saw main machines are all fixed on the outer wall of the protection part;
the rope saw guide wheels are arranged on the outer wall of the protection part;
the rope saw is of an annular closed structure, is wound on the rope saw main machine and the rope saw guide wheel and is driven to rotate by the rope saw main machine.
Still further, the cutting part further includes:
and the rotary propeller is used for driving the protection part to rotate after the cutting part finishes axial cutting so as to perform radial cutting.
Further, the protection part is the staving structure of one end open-ended, be equipped with in the protection part:
the separation portion, the number that sets up of separation portion with the rock piece one-to-one that the cutting portion cut apart into, just the shape and the size of separation portion match with the shape and the size of rock piece for the cover is established on the rock piece.
In one embodiment, the separating part is a barrel structure with one open end, and a hook is fixed on the closed end of the separating part.
In one embodiment, the separating part is of a barrel structure with an opening at one end, the locking mechanism is arranged on the inner wall of the separating part, and the hook is fixed on the outer wall of the separating part.
Compared with the prior art, the embodiment of the utility model at least has the following effects:
1. the clearing and transporting device comprises the protection part and the locking mechanism, the protection part can be sleeved on the central rock pillar, the locking mechanism can enable the protection part to be in close contact with the central rock pillar, so that the central rock pillar is fixed, then the central rock pillar can be cleared and transported through connection of the existing traction equipment or the existing elevator and the protection part, and clearing and transporting work is fast, efficient, safe and clean.
2. When the clearing and transporting device is used for construction of a drift and an inclined shaft, the locking mechanism is arranged outside the protection part, the structure of the locking mechanism is the same as the principle of the hoop, the locking mechanism can be matched with central rock pillars with different sizes, and the locking mechanism is suitable for clearing and transporting the central rock pillars with smaller diameters.
3. When the cleaning device is used for construction of a vertical shaft, the locking mechanism is arranged on the inner wall of the protection part and can extrude and lock the central rock pillar, so that the protection part and the central rock pillar are lifted up by the hoister; the moving tracks of the moving arm I and the moving arm II of the locking mechanism incline towards the inside of the protection part, so that the rolling shaft can more tightly press and lock the central rock pillar.
4. According to the utility model, the unidirectional teeth are arranged on the periphery of the roller, and the tooth sockets matched with the unidirectional teeth are arranged on the protection part corresponding to the moving track of the roller, so that the phenomenon that the roller slides to influence the extrusion locking of the central rock pillar can be prevented.
5. When the diameter of the central rock pillar is larger, the clearing and transporting device further comprises a cutting part, wherein the cutting part is a rope saw cutting group and can perform axial segmentation and radial cutting on the central rock pillar, so that the central rock pillar is divided into a plurality of smaller rock blocks to be cleared and transported conveniently.
6. According to the utility model, the plurality of separating parts are arranged in the protecting part, the separating parts correspond to the number of the cut rock blocks, and the separating parts wrap the rock blocks, so that an external hoisting machine or a traction machine can be conveniently connected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic structural diagram of a roadway center rock pillar cleaning device in embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a roadway center rock pillar cleaning device in embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is a schematic illustration of the clearing of the separation section loaded with rock mass according to example 2 of the present invention;
FIG. 7 is a schematic sectional view showing a cutting part in example 3 of the present invention;
FIG. 8 is a schematic sectional view showing a cutting portion in another state according to embodiment 3 of the present invention;
fig. 9 is a schematic structural diagram of a roadway center rock pillar cleaning device in embodiment 4 of the present invention;
FIG. 10 is an internal view of a protector according to embodiment 4 of the present invention;
FIG. 11 is a schematic structural view of a lock mechanism in embodiment 4 of the utility model;
FIG. 12 is a schematic side view of the locking mechanism according to embodiment 4 of the present invention;
fig. 13 is a schematic structural view of a roadway center rock pillar cleaning device in embodiment 5 of the present invention;
FIG. 14 is a cross-sectional view taken at D-D of FIG. 13;
fig. 15 is a plan view of a separation part in example 5 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
In order to clean a central rock column formed by the operation of an annular heading machine or a profile heading machine, an embodiment of the present invention provides a central rock column cleaning device for a roadway, as shown in fig. 1, including: protection part 1, locking mechanism 2, protection part 1 is used for the cover to establish on central rock pillar 100, and locking mechanism 2 is used for cramping protection part 1 and locks with central rock pillar 100.
In this embodiment, as shown in fig. 1, the profile cutting unit 200 of the heading machine performs profile cutting to form a central rock pillar 100, the protective unit 1 is sleeved on the central rock pillar 100, specifically, the protective unit 1 is a protective barrel structure with an opening at one end, and as shown in fig. 2, the protective unit 1 has the same shape as the central rock pillar 100 and is matched in size.
In order to enable the protection part 1 to match with the central rock pillars 100 with different sizes, the protection part 1 is further provided with a slot 101 at the top of the protection part 1, that is, the protection part 1 of the present embodiment has an annular opening structure.
In this embodiment, as shown in fig. 1 and 2, the locking mechanism 2 is disposed outside the protection portion 1, and the locking mechanism 2 has a plurality of sets, and the plurality of sets of locking mechanisms 2 are distributed along the axial direction of the protection portion 1. Specifically, the locking mechanism 2 of this embodiment is a split structure, including: half hoop I201, half hoop II 202, and retaining member 203.
As shown in fig. 2, the half hoop I201 and the half hoop II 202 are respectively arranged at two sides of the protection part 1, the half hoop I201 and the half hoop II 202 are matched to form a hoop structure, the bottom ends of the half hoop I201 and the half hoop II 202 are hinged on a bearing mine car 3, the top ends of the half hoop I201 and the half hoop II 202 are provided with a distance, and the locking member 203 is arranged at the top ends of the half hoop I201 and the half hoop II 202 in a penetrating manner to adjust the distance between the top ends of the half hoop I201 and the half hoop II 202, so that the protection part 1 is locked with the central rock pillar 100.
When the protection part 1 is of an annular opening structure, the distance between the top ends of the half hoop I201 and the half hoop II 202 can be adjusted through the locking piece 203, and then the size of the protection part 1 is adjusted, so that the protection part 1 is locked with the central rock pillar 100.
Specifically, as shown in fig. 2, the retaining member 203 of this embodiment is electronic lead screw, when protection portion 1 was established to initial cover, can make the interval increase on half hoop I201 and half hoop II 202 top through the action of retaining member 203, be convenient for overlap protection portion 1 on central rock pillar 100, when central rock pillar 100 was packed into and is finished, the reverse action of retaining member 203 is controlled again, make the interval on half hoop I201 and half hoop II 202 top reduce, and then make protection portion 1 and central rock pillar 100 lock, prevent slippage in the transportation process.
It should be noted that the electric lead screw is an existing product, the structure of the electric lead screw is not described in detail in this embodiment, the structure of the locking member 203 is not limited to the electric lead screw of this embodiment, in other embodiments, the locking member 203 may also be replaced by a bolt, and the bolt passes through the ends of the half hoop I201 and the half hoop II 202 and is locked by a nut.
It should be noted that, in other embodiments, the locking mechanism 2 may also be an integral structure, and at this time, an opening is formed at the top of the locking mechanism 2, and the locking member 203 is inserted through the opening.
In order to transport the fixed center rock pillar 100, as shown in fig. 1 and 2, the roadway center rock pillar cleaning apparatus of the present embodiment further includes a load-bearing mine car 3, in which case the protection portion 1 with the center rock pillar 100 mounted thereon can be placed on the load-bearing mine car 3, and the load-bearing mine car 3 is transported away from the working face under the power of the tractor.
In order to achieve simultaneous cutting and loading of the central rock pillar 100, the present embodiment places the guard 1 on the load bearing car 3 and articulates the lower ends of the half hoops I201 and II 202 on the load bearing car 3, as shown in fig. 2.
In order to ensure the stability of the protection part 1, the bearing mine car 3 is further provided with an arc-shaped support 301, the inner side of the half hoop I201 is provided with a support rod I204, the inner side of the half hoop II 202 is provided with a support rod II 205, and when the half hoop I201 and the half hoop II 202 are locked by the locking piece 203, the support rod I204 and the support rod II 205 can abut against the bottom of the protection part 1 to form support.
The working principle of the embodiment is as follows:
when the contour cutting part 200 of the heading machine is in operation, the bearing mine car 3 can move gradually towards the working face, so that the protective part 1 fixed on the bearing mine car 3 is sleeved on the central rock pillar 100 gradually, when the length of the formed central rock pillar 100 is equal to that of the protective part 1, the central rock pillar 100 is separated from the working face through the rock pillar separating part 300 of the heading machine, and at the moment, the bearing mine car 3 is pulled by the tractor to be far away from the working face, so that the central rock pillar 100 is transported out.
The tunnel center rock pillar cleaning and transporting device of the embodiment is suitable for a construction drift or an inclined shaft, is suitable for cleaning and transporting the center rock pillar 100 with a small diameter, and can directly complete the overall cleaning and transporting of the center rock pillar 100 through the matching of the protection part 1, the locking mechanism 2 and the bearing mine car 3.
It should be noted that the structure of the heading machine related to the present embodiment is already described in the prior application (202122843061.2) of the inventor, and the present embodiment is not described again, and it should be noted that the clearing device of the present embodiment is also applicable to other existing contour heading machines or ring heading machines as long as a central rock pillar is generated during heading.
Example 2
Roadway center rock pillar cleaning and transporting device, as shown in fig. 3, different from embodiment 1, the roadway center rock pillar cleaning and transporting device of this embodiment further includes cutting portion 4 for carry out axial segmentation to center rock pillar 100, in order to cut apart into a plurality of rock pieces with center rock pillar 100, be applicable to the cleaning and transporting of the great center rock pillar 100 of diameter.
As shown in fig. 4, the cutting part 4 is a wire saw cutting group, comprising: a rope saw main body 401, a rope saw guide wheel 402 and a rope saw 403.
The rope saw main body 401 of this embodiment is equipped with two sets of, two sets of the rope saw main body 401 is all fixed on the outer wall of protection part 1, and two the rope saw main body 401 is 180 distributions.
This embodiment will be equallyd divide central rock pillar 100 equally into four rock pieces, and consequently, the rope saw leading wheel 402 of this embodiment is equipped with four, four the equal rotatable setting of rope saw leading wheel 402 is in on the outer wall of protection part 1, and four rope saw leading wheel 402 is around the outer wall round annular evenly distributed of protection part 1.
The number of the rope saw guide wheels 402 is not limited to this, and may be adjusted according to the number of rock pieces to be cut.
In this embodiment, the rope saw 403 is of an annular closed structure and is wound around the rope saw main body 401 and the rope saw guide wheel 402 in the winding manner shown in fig. 4, that is, the rope saw 403 of this embodiment forms a cross shape on the end surface of the core rock pillar 100, and the rope saw 403 is driven to rotate by the rope saw main body 401 and axially cuts the core rock pillar 100 during the movement of the protection part 1.
The winding method of the rope saw 403 is adjusted according to the number of rock pieces to be cut, and is not limited to the winding method of the present embodiment.
It should be noted that the wire saw cutting group is an existing product, and the detailed structure thereof is not described in detail in this embodiment.
In order to clear respectively a plurality of rock pieces that cut into, as shown in fig. 5, this embodiment is in the inside of protection portion 1 still is equipped with a plurality of separating parts 102, and separating part 102 sets up the number and the rock piece one-to-one that cuts into, and separating part 102 of this embodiment is one end open-ended staving structure equally, and only separating part 102 is non-circular staving, and the shape of separating part 102 is unanimous with the shape of the rock piece that cuts into.
As shown in fig. 5, in order to detach the divided parts 102 together with the charged rock mass from the protection part 1, in the present embodiment, a hook 103 is fixed to a closed end (an end away from the working face) of the divided part 102, and the divided part 102 together with the charged rock mass may be pulled out to the load-bearing mining car 3 by a pulling mechanism, as shown in fig. 6, and sequentially placed on the load-bearing mining car 3 and cleared out of the working face by the load-bearing mining car 3.
The working principle of the embodiment is as follows:
when the contour cutting part 200 of the heading machine is in operation, the bearing mine car 3 can move gradually towards the working face, when the protective part 1 on the bearing mine car 3 moves to the end face of the central rock pillar 100, the rope saw 403 of the cutting part 4 is abutted against the end face of the central rock pillar 100, when the bearing mine car 3 continues to move towards the working face, the rope saw 403 can axially cut the central rock pillar 100, and at the moment, the separating part 102 is sleeved on the cut rock blocks step by step.
The central rock pillar 100 is then separated from the working face by the rock pillar separating portion 300 of the heading machine, or the splitting may be performed by an auxiliary splitter, at which time the separated portions 102 loaded with rock pieces are sequentially loaded onto the load-bearing tramcar 3 by a traction mechanism, so that the split rock pieces are carried out.
Example 3
Roadway center rock post cleaning device, as shown in fig. 7 and 8, different from embodiment 2, the cutting part 4 of this embodiment further includes a rotary propeller 404, the rotary propeller 404 is embedded on the protection part 1, and is used for driving the protection part 1 to rotate after the cutting part 4 completes axial cutting, so as to perform radial cutting, that is, the protection part 1 of this embodiment can rotate under the support of the bearing mine car 3.
The rotary thruster 404 is a screw thruster, and the axial direction thereof is perpendicular to the axial direction of the central rock pillar 100, and specifically includes: the spiral body is formed by arranging spiral threads on the outer surface of the cylinder, and the spiral threads are made of hard alloy so as to be capable of being embedded into rock and provide strong thrust; the power unit is arranged inside the spiral body, at this time, the spiral body is of a hollow structure, and the screw propeller of the present embodiment is already described in the previous application of the applicant, and therefore, the present embodiment is not described again.
As can be seen from comparing fig. 7 and 8, when the rotary thruster 404 works, the protection part 1 can rotate, so as to drive the rope saw 403 to radially cut the central rock pillar 100 during the rotation process.
The radial cutting of the central rock pillar 100 can be realized through the arrangement of the rotary propeller 404 in the embodiment, on one hand, the central rock pillar 100 can be cut into smaller rock blocks, and on the other hand, the clearing and transporting device in the embodiment can realize the separation of the central rock pillar 100 and the working face without a special rock separating part, so that the clearing and transporting device is suitable for clearing and transporting the central rock pillar formed when various annular heading machines or contour heading machines are used for performing drift or inclined drift construction.
Example 4
The roadway center rock column clearing and transporting device is different from the embodiment 1-3 in that the embodiment is used for clearing and transporting the center rock column in vertical shaft construction.
As shown in fig. 9, the roadway center rock pillar cleaning device of the present embodiment includes: the device comprises a protective part 1, a locking mechanism 2, an annular platform 5 and a linear propeller 6.
The periphery of the roller 206 is adapted to engage the central rock pillar 100 to compress and lock the central rock pillar 100.
Spout I207 and spout II 208 inlay and establish on the inner wall of guard portion 1, and divide the both sides of establishing at roller bearing 206, removal arm I209 sliding fit is connected on spout I207, removal arm II 210 sliding fit is connected on spout II 208, just removal arm I209 and removal arm II 210's bottom all with roller bearing 206 rotates and is connected to form the support to roller bearing 206.
In order to enable the roller 206 to press the central rock pillar 100, the moving tracks of the moving arm I209 and the moving arm II 210 are inclined toward the inside of the protecting part 1, specifically, taking the moving arm I209 as an example, as shown in fig. 12, in this embodiment, a moving groove I211 is formed on the inner wall of the protecting part 1 below the sliding groove I207, the moving groove I211 is communicated with the sliding groove I207, and the groove wall of the moving groove I211 is inclined toward the inside of the protecting part 1.
In order to avoid the sliding of the roller 206 when being extruded with the central rock pillar 100, in the embodiment, the roller 206 is provided with one-way teeth on the periphery, which are similar to ratchet teeth of a ratchet wheel, and the groove wall of the moving groove I211 is provided with tooth grooves matched with the one-way teeth, and the roller 206 is locked with the central rock pillar 100 through the matching of the one-way teeth and the tooth grooves.
In this embodiment, as shown in fig. 9, the annular platform 5 has a shape and a size matched with the central rock pillar 100, the linear thruster 6 is installed on the annular platform, and the linear thruster 6 pushes the annular platform 5 to move integrally and drives the protection part 1 to move. The linear thruster 6 is also a screw thruster except that the axial direction of the linear thruster 6 is parallel to the axial direction of the central rock pillar 100.
The clearing device of this embodiment is used for the clearing of the less rock column of diameter that produces when the construction shaft, 1 internally mounted of protection part has locking mechanism 2, 1 lower part of usable protection part adds the end, after upper portion adds the lifting hook, directly promote the earth's surface with the rock column after separating through the splitter, because of the speed of promotion is far greater than the tunnelling speed of tunnelling machine in the pit, 1 of protection part of completion promotion returns to in the pit, the cover is established again and just can on new rock column, in this period, the rock column height of output is very little, there is not the potential safety hazard.
Example 5
Roadway center rock post cleaning device, different from embodiment 4, as shown in fig. 13 and 14, this embodiment installs cutting part 4 on the outer wall of protection part 1, and the structure of cutting part 4 has been recorded in embodiment 3, and this embodiment is not repeated.
Correspondingly, be equipped with a plurality of separating parts 102 in the protection part 1 of this embodiment, as shown in fig. 15, all be equipped with locking mechanism 2 among embodiment 4 on the inner wall of every separating part 102 this moment to make the rock piece closely extrude the locking with separating part 102, be convenient for hang out the rock piece through the lifting machine.
In order to facilitate the lifting of the separation part 102 loaded with the rock mass, the present embodiment is provided with a hook 103 on the outer wall of the separation part 102.
The clearing device of this embodiment is used for the clearing of the great rock pillar of diameter that produces when the construction shaft, protection portion 1 follows annular platform 5 and moves down, move down the limit and carry out the axial cutting to central rock pillar, cut into four equal parts with central rock pillar, after the height of central rock pillar reached the promotion requirement, respective rock is lived to separation portion 102 cover, and simultaneously, protection portion 1 rotates, accomplishes the radial cutting to four rock pillars, lifts the rock by separation portion 102 at last, after adding the bottom, separation portion 102 changes into the well-bucket to lift to the earth's surface.
The clearing device of the embodiment can also realize the separation of the central rock pillar 100 and the working surface through the arrangement of the cutting part 4, and does not need a special rock separation part for separation, so that the clearing device can be suitable for clearing the central rock pillar formed when various annular heading machines or profile heading machines carry out shaft construction.
It should be noted that in other embodiments, the cutting portion 4 may be mounted on the annular platform 5.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. Clear conveyor of tunnel center rock post, its characterized in that includes:
the protective part is in a shape matched with the central rock column and is used for being sleeved on the central rock column;
the locking mechanism is arranged on the outer side of the protection part and used for hooping the protection part to lock the central rock pillar; or the central rock pillar is arranged on the inner wall of the protection part and used for extruding and locking the central rock pillar.
2. The roadway center rock pillar clearing device of claim 1, wherein the locking mechanism is disposed outside the guard portion, comprising:
the clamp is of an integral structure or a split structure and is provided with an opening;
retaining member wears to establish the opening part of clamp for adjust the clamp, the retaining member is bolt or electronic lead screw.
3. The roadway center rock pillar clearing device of claim 2, further comprising:
a load-bearing mine car towed by a tractor to transport the central rock column out;
the clamp is for dividing the body structure, comprises half hoop I and half hoop II, half hoop I and half hoop II divide and establish the both sides at the guard portion, just half hoop I and half hoop II keep away from the one end of retaining member all with the bearing mine car is articulated.
4. The roadway center rock pillar cleaning device of claim 1, wherein the locking mechanism is disposed on an inner wall of the guard portion, comprising:
the periphery of the roller is used for being attached to the central rock pillar;
the sliding chute I and the sliding chute II are respectively arranged on two sides of the rolling shaft;
removal arm I, removal arm II, removal arm I cunning joins in marriage and connects on spout I, removal arm II cunning joins in marriage and connects on spout II, just removal arm I and removal arm II all with the roller bearing rotates to be connected, removal arm I and removal arm II's removal orbit inclines to the inside of guard portion to make the roller bearing extrusion locking center rock pillar.
5. The roadway center rock pillar cleaning device according to claim 4, wherein unidirectional teeth are arranged on the periphery of the roller, and tooth sockets matched with the unidirectional teeth are formed in the protective portion at positions corresponding to the moving track of the roller.
6. The roadway center rock pillar clearing device of claim 1, further comprising:
cutting part for carry out axial segmentation to central rock pillar, in order to cut apart into a plurality of rock pieces with central rock pillar, cutting part is rope saw cutting group, includes:
the rope saw main machines are at least provided with two groups, and the plurality of groups of rope saw main machines are all fixed on the outer wall of the protection part;
the rope saw guide wheels are arranged on the outer wall of the protection part;
the rope saw is of an annular closed structure, is wound on the rope saw main machine and the rope saw guide wheel and is driven to rotate by the rope saw main machine.
7. The roadway center rock pillar clearing device of claim 6, wherein the cutting portion further comprises:
and the rotary propeller is used for driving the protection part to rotate after the cutting part finishes axial cutting so as to perform radial cutting.
8. The roadway center rock pillar cleaning device of claim 6, wherein the protection portion is a barrel structure with one end open, and is provided with:
the separation portion, the number that sets up of separation portion with the rock piece one-to-one that the cutting portion cut apart into, just the shape and the size of separation portion match with the shape and the size of rock piece for the cover is established on the rock piece.
9. The roadway center rock pillar clearing device of claim 8, wherein the separating portion is a barrel structure with an opening at one end, and a hook is fixed on a closed end of the separating portion.
10. The roadway center rock pillar cleaning device of claim 8, wherein the separation part is a barrel structure with an opening at one end, the locking mechanism is arranged on the inner wall of the separation part, and a hook is fixed on the outer wall of the separation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124932.1U CN216554009U (en) | 2021-12-13 | 2021-12-13 | Tunnel center rock pillar cleaning and transporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124932.1U CN216554009U (en) | 2021-12-13 | 2021-12-13 | Tunnel center rock pillar cleaning and transporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554009U true CN216554009U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124932.1U Active CN216554009U (en) | 2021-12-13 | 2021-12-13 | Tunnel center rock pillar cleaning and transporting device |
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| Country | Link |
|---|---|
| CN (1) | CN216554009U (en) |
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2021
- 2021-12-13 CN CN202123124932.1U patent/CN216554009U/en active Active
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