CN113958346A - Many pin bow member installation device - Google Patents
Many pin bow member installation device Download PDFInfo
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- CN113958346A CN113958346A CN202111226385.XA CN202111226385A CN113958346A CN 113958346 A CN113958346 A CN 113958346A CN 202111226385 A CN202111226385 A CN 202111226385A CN 113958346 A CN113958346 A CN 113958346A
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- 238000009434 installation Methods 0.000 title abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a multi-arch mounting device, which comprises a main telescopic arm frame, a supporting table, a left arch stretching arm and a right arch stretching arm, wherein the main telescopic arm frame swings around a hinged end in a pitching mode and stretches linearly along a line, the supporting table is hinged to the top end of the main telescopic arm frame and used for horizontally supporting a middle arch section, the left arch stretching arm and the right arch stretching arm are respectively hinged to two sides of the supporting table and stretch linearly along the line, auxiliary clamping arms used for acting along an arc line to stretch out two connecting arch sections respectively hinged to two ends of the middle arch section are hinged to the middles of the left arch stretching arm and the right arch stretching arm, and the end parts of the two connecting arch sections are hinged to stretching clamping arms used for acting along the arc line after the two connecting arch sections are stretched out until the two swinging arch sections respectively hinged to the two connecting arch sections are stretched out to form an arc arch. The invention can open the multiple arches without manual participation by optimizing the structure of the installation device of the multiple arches, has low manual participation and higher installation efficiency, and can improve the construction efficiency.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a multi-truss arch installing device.
Background
In the process of tunnel construction by a drilling and blasting method, a plurality of arches are generally used for supporting a tunnel face to control the deformation of surrounding rocks, so that collapse caused by weak surrounding rocks is avoided, the plurality of arches become key supporting equipment for tunnel construction, and the installation efficiency directly determines the construction progress.
The existing multi-arch mounting device generally comprises a trolley and a plurality of arm supports, wherein the arm supports are hinged on the trolley independently, on the basis of the aspects of saving cost, enlarging employment and the like, each arm support is provided with an operation platform for people to operate, and the plurality of arm supports can operate in a coordinated manner by adjusting the poses of the plurality of arm supports, so that operators of each operation platform can manually prop up the multi-arch.
Obviously, the conventional multi-arch installation device is limited by the structure of the conventional multi-arch installation device, so that more personnel participate in the assembly of the multi-arch, the labor intensity is high, the operation efficiency is low, and the construction efficiency is influenced.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a multi-arch mounting device, in which a main telescopic boom lifts a plurality of arches to a tunnel face, a left arch spreading arm and a right arch spreading arm hinged to both sides of the main telescopic boom are opened, and then an auxiliary arm lock and a spreading arm lock are sequentially used to fully spread the plurality of arches at one time, so that manual intervention is not required, and construction efficiency is high.
The utility model provides a many pin bow member installation device, including around the main flexible cantilever crane of articulated end every single move swing and linear flexible along the line, articulate in the top of main flexible cantilever crane and be used for the supporting bench of horizontal support middle bow member section and articulate respectively in the supporting bench both sides and linear flexible left bow member exhibition arm and right bow member exhibition arm along the line relatively, the left bow member exhibition arm and the right bow member exhibition arm middle two all articulate have be used for along the arc line action with strutting the supplementary arm lock of two connection bow member sections that articulate respectively in middle bow member section both ends, and the tip of the two all articulates there is the arm lock that struts that is used for after two connection bow member sections are strutted along the arc line action until strutting two swing bow member sections articulated with two connection bow member sections respectively in order to form the arc bow member.
Preferably, the method further comprises the following steps:
a rotary fixed seat hinged with the main telescopic arm frame;
and the main pitching driving cylinder is arranged between the rotary fixed seat and the main telescopic arm frame and is used for driving the main telescopic arm frame to vertically pitch and swing relative to the rotary fixed seat.
Preferably, the main telescopic boom comprises:
a main telescopic supporting arm with one end hinged with the rotary fixed seat;
the main telescopic driving cylinder is internally arranged on the main telescopic supporting arm and used for driving the main telescopic supporting arm to stretch.
Preferably, the main telescopic boom further comprises:
the main fixed support is fixedly arranged at one end of the main telescopic supporting arm, which is far away from the rotary fixed seat;
the main rotary support is rotatably arranged and rotates around the telescopic direction of the main telescopic support arm;
and the main rotary driving part is arranged between the main fixed support and the main rotary support and is used for driving the main rotary support to rotate relative to the main fixed support.
Preferably, the main telescopic boom further comprises:
a main deflection support which is fixedly arranged on the main rotary support and is hinged with the support table;
and the main deflection driving cylinder is arranged between the main deflection support and the support platform and is used for driving the support platform to deflect left and right relative to the main deflection support.
Preferably, left bow arch exhibition arm is the same with right bow arch exhibition arm structure, and left bow arch exhibition arm includes:
a left fixed support fixedly arranged on the left side of the support table;
the left supporting rotating arm is hinged with the left fixed support and used for supporting the auxiliary clamping arm;
and the left swing driving cylinder is arranged between the left fixed support and the left support rotating arm and is used for driving the left support rotating arm to swing up and down relative to the left fixed support.
Preferably, the left arch arm further comprises:
the left telescopic swing arm is hinged with one end of the left support rotating arm, which is far away from the left fixed support;
the left telescopic driving cylinder is internally arranged on the left telescopic swing arm and used for driving the left telescopic swing arm to stretch.
Preferably, the left arch arm further comprises:
the left rotary support is rotatably arranged at one end of the left telescopic swing arm, which is far away from the left support rotating arm;
the left rotary driving piece is arranged between the left rotary support and the left telescopic swing arm and is used for driving the left rotary support to rotate relative to the left telescopic swing arm;
the left deflection support is arranged on the left rotary support and is hinged with the distraction clamping arm;
and the left deflection driving cylinder is arranged between the distraction clamping arm and the left deflection support and is used for driving the distraction clamping arm to deflect up and down relative to the left deflection support.
Preferably, supplementary arm lock is the same with the structure that struts the arm lock, and supplementary arm lock includes:
the auxiliary telescopic arm is hinged with the left deflection support;
an auxiliary telescopic driving cylinder is arranged in the auxiliary telescopic arm and used for driving the auxiliary telescopic arm to stretch.
Preferably, the auxiliary clip arm further comprises:
two auxiliary clamping jaws oppositely hinged at the end part of the auxiliary telescopic arm;
and the jaw driving pieces are respectively connected with the auxiliary jaws and are used for driving the two auxiliary jaws to mutually approach or separate.
Compared with the background technology, the multi-arch mounting device provided by the invention comprises a main telescopic arm support, a support platform, a left arch spreading arm and a right arch spreading arm, wherein the support platform is hinged to the top end of the main telescopic arm support, and the left arch spreading arm and the right arch spreading arm are respectively and oppositely hinged to two sides of the support platform.
Before entering the tunnel, the main telescopic arm support swings around the hinged end of the main telescopic arm support in a pitching mode to adjust the pose of the support table, so that the support table horizontally supports the middle arch frame section; then adjusting the angles of the left arch frame spreading arm and the right arch frame spreading arm which are respectively hinged with the supporting table to ensure that the auxiliary clamping arms arranged on the left arch frame spreading arm and the right arch frame spreading arm respectively clamp two connecting arch frame sections hinged at two ends of the middle arch frame section, and simultaneously, the opening clamping arms arranged at the end parts of the left arch frame spreading arm and the right arch frame spreading arm respectively clamp two swinging arch frame sections hinged with the two connecting arch frame sections;
after entering the tunnel, the pose of the support table is adjusted by using the main telescopic arm frame, and the middle arch frame section is ensured to be tightly attached to the tunnel face; then adjusting the two auxiliary clamping arms to swing downwards along the arc line, wherein the two auxiliary clamping arms drive the two connecting arch frame sections to rotate relative to the middle arch frame section, so that the middle arch frame section and the two connecting arch frame sections are spliced into an arch structure tightly attached to the tunnel face; the auxiliary clamping arms are loosened, the angles and the telescopic lengths of the left arch frame unfolding arm and the right arch frame unfolding arm are adjusted, the two spreading clamping arms act along arc lines, the two spreading clamping arms drive the clamped swing arch frame sections to rotate around the connected connecting arch frame sections respectively until the two swing arch frame sections are spread, at the moment, five arch frame sections of the two swing arch frame sections, the two connecting arch frame sections and the middle arch frame section form one arch frame, and all the arch frame sections of the multi-arch frame are directly and correspondingly connected, so that the multi-arch frame can be spread at one time to enable the multi-arch frame to be tightly attached to the tunnel face.
As can be seen from the above, the present invention can open a plurality of arches at one time without manual participation by optimizing the structure of the multi-arch installation device, and thus can improve construction efficiency with low manual participation and high installation efficiency.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a block diagram of a multi-arch mounting apparatus according to an embodiment of the present invention;
FIG. 2 is a front view of the left arch arm of FIG. 1;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a front view of the main telescopic boom of FIG. 1;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a state diagram of the multi-arch installation device of the present invention when the multi-arch is folded;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a state view of the multi-arch installation device of the present invention in the process of spreading the connecting arch segments;
FIG. 9 is a state view of the multi-arch installation device of the present invention in the process of opening the swing arch section;
fig. 10 is a state view of the multi-arch mounting device according to the present invention when the multi-arch is completely spread.
The reference numbers are as follows:
a middle arch section 01, a connecting arch section 02 and a swinging arch section 03;
the device comprises a rotary fixed seat 1, a main pitching driving cylinder 2, a main telescopic arm support 3, a support table 4, a left arch frame spreading arm 5, a right arch frame spreading arm 6, an auxiliary clamping arm 7 and a spreading clamping arm 8;
a main telescopic supporting arm 31, a main fixed support 32, a main rotary support 33 and a main deflection support 34;
a left fixed support 51, a left support rotating arm 52, a left telescopic swing arm 53, a left rotary support 54 and a left deflection support 55;
an auxiliary telescopic arm 71 and an auxiliary jaw 72.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 10, fig. 1 is a structural diagram of a multi-arch installation device according to an embodiment of the present invention; FIG. 2 is a front view of the left arch arm of FIG. 1; FIG. 3 is a side view of FIG. 2; FIG. 4 is a front view of the main telescopic boom of FIG. 1; FIG. 5 is a side view of FIG. 4; FIG. 6 is a state diagram of the multi-arch installation device of the present invention when the multi-arch is folded; FIG. 7 is a front view of FIG. 6; FIG. 8 is a state view of the multi-arch installation device of the present invention in the process of spreading the connecting arch segments; FIG. 9 is a state view of the multi-arch installation device of the present invention in the process of opening the swing arch section; fig. 10 is a state view of the multi-arch mounting device according to the present invention when the multi-arch is completely spread.
The embodiment of the invention discloses a multi-arch mounting device, which has the key points that the structure is optimized, so that the multi-arch can be unfolded without manual participation, and the construction efficiency is higher.
First, it should be noted that, in the present invention, each of the plurality of arch frames is arranged in parallel, and each arch frame section of each arch frame is connected by hinges or steel bars in one-to-one correspondence, each arch frame includes a middle arch frame section 01, two connecting arch frame sections 02, and two swinging arch frame sections 03, the two connecting arch frame sections 02 are respectively hinged to two ends of the middle arch frame section 01, and the two swinging arch frame sections 03 are respectively located at two ends of the two connecting arch frame sections 02 and are respectively hinged to the two connecting arch frame sections 02. When each arc arch is folded, the two swing arch sections 03 are turned inwards to the lower part of the connecting arch section 02, so that an 8-shaped structure is formed, the occupied space is small, and the transfer and the storage are convenient. When each arc arch is unfolded, the two swing arch sections 03 are turned outwards until each swing arch section 03 is smoothly butted with the connecting arch section 02 along an arc line to form an arch structure consistent with the tunnel face for supporting the tunnel face.
The invention comprises a rotary fixed seat 1, a main pitching driving cylinder 2, a main telescopic arm frame 3, a supporting table 4, a left arch frame stretching arm 5 and a right arch frame stretching arm 6.
The rotary fixed seat 1 is hinged on the trolley and can rotate around the axis of the rotary fixed seat, and one end of the main telescopic arm support 3 is hinged with the rotary fixed seat 1 through a pin shaft. The main pitching driving cylinder 2 is arranged between the rotary fixing seat 1 and the main telescopic arm support 3 and used for driving the main telescopic arm support 3 to vertically pitch and swing relative to the rotary fixing seat 1 and leveling the supporting platform 4, so that the supporting platform 4 is always kept horizontal. Specifically, the main pitching driving cylinder 2 is a hydraulic cylinder capable of providing large power, and two sides of the main telescopic boom 3 are respectively and symmetrically provided with one main pitching driving cylinder 2, so that large driving force can be provided for the main telescopic boom 3, and the main telescopic boom 3 can be stressed uniformly and swing stably.
In addition to pitching about the hinged end, the main telescopic boom 3 can also be extended and retracted linearly. The support table 4 is hinged to the top end of the main telescopic arm support 3 and used for horizontally supporting the middle arch frame section 01. The left arch frame display arm 5 and the right arch frame display arm 6 are respectively hinged on two sides of the support platform 4 oppositely and linearly extend and retract along the line.
The middle of the left arch frame display arm 5 and the right arch frame display arm 6 is hinged with an auxiliary clamping arm 7, the auxiliary clamping arm 7 clamps two connecting arch frame sections 02 and moves along an arc line from inside to outside, so that the auxiliary clamping arm 7 drives the clamped connecting arch frame sections 02 to rotate relative to the middle arch frame section 01 through actions such as stretching or deflection, and the two connecting arch frame sections 02 are respectively in smooth butt joint with the middle arch frame section 01 along the arc line, and thus the two connecting arch frame sections 02 are opened.
In addition, the end parts of the left arch frame exhibition arm 5 and the right arch frame exhibition arm 6 are both hinged with the opening clamping arms 8, after the two connection arch frame sections 02 are opened, the two opening clamping arms 8 simultaneously clamp the two swing arch frame sections 03 and move along the arc lines from inside to outside, so that the opening clamping arms 8 drive the clamped swing arch frame sections 03 to rotate relative to the connected connection arch frame sections 02 through the actions of stretching or deflection and the like, the two swing arch frame sections 03 are respectively in smooth butt joint with the connected connection arch frame sections 02 along the arc lines, and thus the two divided swing arch frame sections 03 can be opened.
Before entering the tunnel, the main telescopic arm support 3 firstly swings around the hinged end of the main telescopic arm support in a pitching mode, the pose of the support table 4 is adjusted, and the support table 4 horizontally supports the middle arch frame section 01; then, the angles of a left arch frame spreading arm 5 and a right arch frame spreading arm 6 which are respectively hinged and connected with the supporting table 4 are adjusted, so that the auxiliary clamping arms 7 arranged on the left arch frame spreading arm and the right arch frame spreading arm respectively clamp two connecting arch frame sections 02 hinged at two ends of the middle arch frame section 01, and meanwhile, the spreading clamping arms 8 arranged at the end parts of the left arch frame spreading arm 5 and the right arch frame spreading arm 6 respectively clamp two swinging arch frame sections 03 respectively hinged with the two connecting arch frame sections 02;
after entering the tunnel, the pose of the support table 4 is adjusted by using the main telescopic arm support 3 to ensure that the middle arch frame section 01 is tightly attached to the tunnel face; then, the two auxiliary clamping arms 7 are adjusted to swing downwards along the arc line, the two auxiliary clamping arms 7 drive the two connecting arch sections 02 to rotate relative to the middle arch section 01, and the middle arch section 01 and the two connecting arch sections 02 are spliced into an arch structure tightly attached to the tunnel face; the auxiliary clamping arms 7 are loosened, the angles and the telescopic lengths of the left arch frame spreading arm 5 and the right arch frame spreading arm 6 are adjusted, the two spreading clamping arms 8 move along arc lines, the two spreading clamping arms 8 respectively drive the sandwiched swing arch frame sections 03 to rotate around the connected arch frame sections 02 until the two swing arch frame sections 03 are spread, at the moment, five arch frame sections including the two swing arch frame sections 03, the two connected arch frame sections 02 and the middle arch frame section 01 form one arch frame, and the arch frame sections of the multi-arch frame are directly and correspondingly connected, so that the multi-arch frame can be spread at one time, and the multi-arch frame is enabled to be tightly attached to the face.
In summary, the multi-arch mounting device provided by the invention can be used for once spreading multiple arches without manual participation by optimizing the multi-arch structure, and has the advantages of low manual participation and higher mounting efficiency, thereby improving the construction efficiency.
The main telescopic arm support 3 comprises a main telescopic supporting arm 31 and a main telescopic driving cylinder, and the bottom end of the main telescopic supporting arm 31 is hinged with the rotary fixing seat 1 and connected with a piston rod of the main pitching driving cylinder 2. The main telescopic support arm 31 comprises at least one group of outer sleeve and inner sleeve which are nested with each other, a main telescopic driving cylinder is arranged between each group of nested outer sleeve and inner sleeve, the main telescopic driving cylinder is specifically a hydraulic cylinder, one of the outer sleeve and the inner sleeve is driven by the main telescopic driving cylinder to slide linearly relative to the other, so that the main telescopic support arm 31 can be linearly stretched, the lifting height of the multi-truss arch is adjusted by adjusting the stretching length of the main telescopic support arm 31, and the multi-truss arch is convenient to cling to a tunnel face.
The main telescopic boom 3 further comprises a main fixed support 32, a main rotary support 33 and a main rotary driving member, wherein the main fixed support 32 is fixedly arranged at one end of the main telescopic support arm 31 far away from the rotary fixing seat 1, namely, at the top end of the main telescopic support arm 31. The main fixed support 32 is bolted to the main telescopic support arm 31. One end of the main rotary support 33 is rotatably connected with the main fixed support 32, a rotary bearing is arranged between the main rotary support 33 and the main fixed support 32, so that the main rotary support 33 rotates around the telescopic direction of the main telescopic support arm 31, and the main rotary support 33 rotates around the Z axis with the currently displayed coordinate axis in the attached drawing 1 as the standard, thereby driving the support table 4 to rotate. One end of the main rotary support 33 is fixedly connected with the rotary connection. The main rotary driving member is disposed between the main fixed support 32 and the main rotary support 33, and is configured to drive the main rotary support 33 to rotate relative to the main fixed support 32. The main rotary drive may in particular be a servomotor, but its type is not limited thereto.
The main telescopic arm support 3 further comprises a main deflection support 34 and a main deflection driving cylinder, one end of the main deflection support 34 is fixedly arranged on the main rotary support 33, and the other end of the main deflection support is hinged with the support table 4. The main-deflection driving cylinder is provided between the main-deflection support 34 and the support base 4, and may be a hydraulic cylinder for driving the support base 4 to deflect left and right with respect to the main-deflection support 34, thereby rotating the support base 4 about the Y-axis.
By combining the structure of the main telescopic arm support 3, the main telescopic arm support 3 can drive the support table 4 to realize four actions of pitching around an X axis, linearly stretching along the X axis, revolving around a Z axis and deflecting around a Y axis, so that the position of the support table 4 is flexibly adjusted, and the support table 4 vertically presses the middle arch frame section 01 on a tunnel face.
The left arch support arm 5 includes a left fixed support 51, a left support rotating arm 52 and a left swing driving cylinder, and the left fixed support 51 is fixed to the left side of the support table 4 by bolts. The left supporting rotating arm 52 is hinged with the left fixed support 51, so that the left supporting rotating arm 52 rotates up and down around the Y axis relative to the left fixed support 51, and the left arch stretching arm 5 is stretched or contracted. The auxiliary clamping arm 7 is arranged on the left support rotating arm 52, so that the left support rotating arm 52 drives the auxiliary clamping arm 7 to move. The left swing driving cylinder is disposed between the left fixed support 51 and the left support rotating arm 52, and may be a hydraulic cylinder for driving the left support rotating arm 52 to swing up and down relative to the left fixed support 51, that is, the left support rotating arm 52 rotates around the Y axis.
The left arch frame spreading arm 5 further comprises a left telescopic swing arm 53 and a left telescopic driving cylinder, the left telescopic swing arm 53 is hinged with one end, away from the left fixed support 51, of the left support rotating arm 52, and the structure of the left telescopic swing arm 53 can refer to the main telescopic support arm 31 specifically and is not described in detail. The left telescopic swing arm 53 is arranged in the left telescopic driving cylinder, and can be a hydraulic cylinder, and is used for driving the left telescopic swing arm 53 to linearly extend and retract along the line, so that the distraction clamping arm 8 is driven to be close to or far away from the swing arch section 03.
The left arch frame spreading arm 5 further comprises a left rotary support 54, a left rotary driving piece, a left deflection support 55 and a left deflection driving cylinder, the left rotary support 54 is rotatably arranged at one end, far away from the left supporting rotating arm 52, of the left telescopic swing arm 53, and the left rotary support 54 and the left telescopic swing arm 53 are provided with rotary bearings. The left rotary driving member is disposed between the left rotary support 54 and the left telescopic swing arm 53, and may be a servo motor, for driving the left rotary support 54 to rotate around the central line of the left telescopic swing arm 53, so as to rotate the spreading clamp arm 8 around the X-axis. The left deflection support 55 is fixedly arranged at one end of the left rotary support 54 far away from the left rotary support 54 and is hinged with the opening clamping arm 8. The left deflection driving cylinder is arranged between the distraction clamping arm 8 and the left deflection support 55, and can also be a hydraulic cylinder, and is used for driving the distraction clamping arm 8 to deflect up and down relative to the left deflection support 55, so that the distraction clamping arm 8 rotates around the Y axis.
Combining the structure of the left arch frame unfolding arm 5, the left arch frame unfolding arm 5 can drive the auxiliary clamping arm 7 to deflect around the Y axis, and can also drive the unfolding clamping arm 8 to deflect around the Y axis, stretch along the central line of the left support rotating arm 52, rotate around the X axis and rotate around the Y axis, so that both the auxiliary clamping arm 7 and the unfolding clamping arm 8 can flexibly move.
The right arch frame spreading arm 6 and the left arch frame spreading arm 5 are symmetrically arranged on two sides of the supporting platform 4, the structures of the right arch frame spreading arm 6 and the left arch frame spreading arm 5 are the same, and the structure of the right arch frame spreading arm 6 can be specifically referred to the left arch frame spreading arm 5, and detailed description is omitted.
The auxiliary clamp arm 7 comprises an auxiliary telescopic arm 71 and an auxiliary telescopic driving cylinder, wherein the auxiliary telescopic arm 71 is hinged with the left deflection support 55, and the structure of the auxiliary telescopic arm is referred to the main telescopic support arm 31, and the details are not described herein. The auxiliary telescopic driving cylinder is provided inside the auxiliary telescopic arm 71, and may be a hydraulic cylinder for driving the auxiliary telescopic arm 71 to extend and retract.
The auxiliary clamping arm 7 further comprises two auxiliary clamping jaws 72 and a jaw driving member, the two auxiliary clamping jaws 72 are relatively hinged to the end portion of the auxiliary telescopic arm 71, the jaw driving member is respectively connected with the two auxiliary clamping jaws 72, and can be a double-piston-rod hydraulic cylinder or two servo motors which run synchronously and are used for driving the two auxiliary clamping jaws 72 to move close to each other or separate from each other.
The structure of the opening clamping arm 8 is the same as that of the auxiliary clamping arm 7, and the structure thereof can refer to the auxiliary clamping arm 7 specifically, and is not described in detail herein.
The installation method of the installation device of the multiple trusses of the invention comprises the following steps:
firstly, hinging one side of each arch frame by five arch frame sections, and folding each assembled arch frame; then, more than two hinged arches are arranged in parallel, and a plurality of reinforcing connecting rods and net sheets are used for connecting two adjacent arches to form a plurality of folding arches, so that a plurality of folding arches are manufactured;
secondly, starting a main pitching driving cylinder 2, enabling a main telescopic arm support 3 to vertically pitch and swing around a hinged end of the main telescopic arm support 3 relative to a rotary fixing seat 1, and aligning a support table 4 to a middle arch frame section 01; starting a main telescopic driving cylinder and adjusting the telescopic length of the main telescopic supporting arm 31; then, the main rotary driving part is started, and the main rotary support 33 rotates around the Z axis relative to the main fixed support 32; finally, starting the main deflection driving cylinder, and deflecting the support platform 4 left and right around the Y axis relative to the main deflection support 34; the pose of the support table 4 is adjusted, so that the support table 4 is kept horizontal;
thirdly, hoisting a plurality of arch frames to a plurality of arch frame installation devices by means of hoisting equipment, and horizontally supporting the middle arch frame section 01 by a supporting table 4; starting a left swing driving cylinder, enabling a left supporting rotating arm 52 to rotate up and down around a Y axis relative to a left fixed support 51, and enabling a left arch frame stretching arm 5 to stretch; starting an auxiliary deflection driving cylinder connected with an auxiliary clamping arm 7, enabling the auxiliary clamping arm 7 to swing around a Y axis, and adjusting the clamping angle of the auxiliary clamping arm 7; starting the auxiliary telescopic driving cylinder, and adjusting the telescopic length of the auxiliary telescopic arm 71 until the auxiliary clamping arm 7 is close to the connecting arch section 02; starting the jaw driving piece, and clamping the connecting arch frame section 02 by the two auxiliary jaws 72; then, starting the left swing driving cylinder, and enabling the left support rotating arm 52 to rotate up and down around the Y axis relative to the left fixed support 51; starting the left telescopic driving cylinder and adjusting the telescopic length of the left telescopic swing arm 53; starting the left rotary driving piece, and rotating the left rotary support 54 around the central line of the left telescopic swing arm 53; starting the left deflection driving cylinder, and expanding the clamping arm 8 to deflect up and down around the Y axis relative to the left deflection support 55; starting a jaw driving piece of the distraction clamp arm 8, and clamping the swing arch section 03 by two auxiliary jaws 72 of the distraction clamp arm 8; similarly, the positions of the right arch frame spreading arm 6, the auxiliary clamping arm 7 thereon and the spreading clamping arm 8 are adjusted, so that the two auxiliary clamping arms 7 respectively clamp the two connecting arch frame sections 02, and the two spreading clamping arms 8 respectively clamp the two swinging arch frame sections 03;
fourthly, starting the trolley, and conveying the carried multiple arch frames to the front of the tunnel face by the trolley along a preset track;
fifthly, scanning the face by using image recognition equipment such as a camera arranged on the trolley and the like to obtain the actual contour of the face; comparing the actual contour with the design contour of the tunnel face, judging the overbreak and underexcavation, and starting a multi-arch mounting device to lift the multi-arch to an ideal position;
sixthly, sequentially starting the main pitching driving cylinder 2, the main telescopic driving cylinder, the main rotary driving piece and the main deflection driving cylinder, and adjusting the pose of the main telescopic arm frame 3 again to enable the adjusting support table 4 to drive the middle arch truss section 01 to be close to the vault rock wall;
seventhly, adjusting the poses of the left arch frame spreading arm 5 and the right arch frame spreading arm 6, enabling the left arch frame spreading arm 5 and the right arch frame spreading arm 6 to simultaneously swing downwards to drive the clamped connecting arch frame section 02 to rotate relative to the middle arch frame section 01, enabling the middle arch frame section 01 and the connecting arch frame section 02 to be in smooth butt joint along an arc line, preliminarily forming an arch structure, and enabling the oil cylinder of the auxiliary clamping arm 7 to float; meanwhile, the right arch frame spreading arm 6 is swung downwards, the connecting arch frame section 02 clamped by the auxiliary clamping arm 7 on the right arch frame spreading arm 6 rotates relative to the middle arch frame section 01, and the other connecting arch frame section 02 is expanded;
and eighthly, the two auxiliary clamping arms 7 loosen the clamped connecting arch section 02, then adjust the poses of the left arch stretching arm 5 and the right arch stretching arm 6, and drive the swinging arch section 03 clamped by the expanding clamping arms 8 to rotate along an arc line from inside to outside through the pitching action and the stretching action of the left arch stretching arm 5 and the right arch stretching arm 6 until the swinging arch section 03 is hinged with the connecting arch section 02.
Thus, one of the arch frames is expanded, and the arch frame sections of the arch frames are rigidly connected, so that the arch frames can be expanded at one time to enable the arch frames to be tightly attached to the rock wall.
The multi-arch installation device provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The multi-arch mounting device is characterized by comprising a main telescopic arm support (3) which swings in a pitching mode around a hinged end and stretches linearly along a line, a supporting platform (4) which is hinged to the top end of the main telescopic arm support (3) and used for horizontally supporting a middle arch section (01), and a left arch stretching arm (5) and a right arch stretching arm (6) which are hinged to two sides of the supporting platform (4) relatively and stretch linearly along the line, wherein auxiliary clamping arms (7) used for acting along an arc line to stretch out two connecting arch sections (02) hinged to two ends of the middle arch section (01) respectively are hinged to the middles of the left arch stretching arm (5) and the right arch stretching arm (6), and the end portions of the two auxiliary clamping arms are hinged to stretching clamping arms (8) used for acting along the arc line after the two connecting arch sections (02) are stretched out until the two swinging arch sections (03) hinged to the two connecting arch sections (02) are stretched out respectively to form an arc.
2. A multi-arch mounting device as recited in claim 1, further comprising:
a rotary fixed seat (1) hinged with the main telescopic arm support (3);
and the main pitching driving cylinder (2) is arranged between the rotary fixed seat (1) and the main telescopic arm support (3) and is used for driving the main telescopic arm support (3) to vertically pitch and swing relative to the rotary fixed seat (1).
3. A multi-arch mounting device according to claim 2, wherein the main telescopic boom (3) comprises:
a main telescopic supporting arm (31) with one end hinged with the rotary fixed seat (1);
the main telescopic driving cylinder is arranged in the main telescopic supporting arm (31) and is used for driving the main telescopic supporting arm (31) to stretch.
4. A multi-arch mounting device according to claim 3, wherein the main telescopic boom (3) further comprises:
a main fixed support (32) fixedly arranged at one end of the main telescopic supporting arm (31) far away from the rotary fixed seat (1);
a main rotary support (33) which is rotatably arranged and rotates around the extension direction of the main extension support arm (31);
and the main rotary driving part is arranged between the main fixed support (32) and the main rotary support (33) and is used for driving the main rotary support (33) to rotate relative to the main fixed support (32).
5. A multi-arch mounting device according to claim 4, wherein the main telescopic boom (3) further comprises:
a main deflection support (34) fixedly arranged on the main rotary support (33) and hinged with the support table (4);
and the main deflection driving cylinder is arranged between the main deflection support (34) and the support platform (4) and is used for driving the support platform (4) to deflect left and right relative to the main deflection support (34).
6. A multi-truss mounting device as claimed in any one of claims 1 to 5, wherein the left arch-extending arm (5) is structurally identical to the right arch-extending arm (6), the left arch-extending arm (5) comprising:
a left fixed support (51) fixedly arranged on the left side of the support table (4);
a left supporting rotating arm (52) which is hinged with the left fixed support (51) and is used for supporting the auxiliary clamping arm (7);
and the left swing driving cylinder is arranged between the left fixed support (51) and the left support rotating arm (52) and is used for driving the left support rotating arm (52) to swing up and down relative to the left fixed support (51).
7. A multi-arch mounting device according to claim 6, wherein the left arch-extending arm (5) further comprises:
a left telescopic swing arm (53) hinged with one end of the left support rotating arm (52) far away from the left fixed support (51);
the left telescopic driving cylinder is arranged in the left telescopic swing arm (53) and is used for driving the left telescopic swing arm (53) to stretch.
8. A multi-arch mounting device according to claim 7, wherein the left arch-extending arm (5) further comprises:
the left rotary support (54) is rotatably arranged at one end, away from the left support rotating arm (52), of the left telescopic swing arm (53);
the left rotary driving piece is arranged between the left rotary support (54) and the left telescopic swing arm (53) and is used for driving the left rotary support (54) to rotate relative to the left telescopic swing arm (53);
the left deflection support (55) is arranged on the left rotary support (54) and is hinged with the distraction clamping arm (8);
and the left deflection driving cylinder is arranged between the opening clamping arm (8) and the left deflection support (55) and is used for driving the opening clamping arm (8) to deflect up and down relative to the left deflection support (55).
9. A multi-arch mounting device according to claim 8, characterised in that the auxiliary arms (7) are of the same construction as the spreading arms (8), the auxiliary arms (7) comprising:
an auxiliary telescopic arm (71) hinged with the left deflection support (55);
and the auxiliary telescopic driving cylinder is internally arranged on the auxiliary telescopic arm (71) and is used for driving the auxiliary telescopic arm (71) to stretch.
10. A multi-arch mounting device according to claim 9, wherein the auxiliary clamping arms (7) further comprise:
two auxiliary jaws (72) relatively hinged at the end part of the auxiliary telescopic arm (71);
and the jaw driving pieces are respectively connected with the auxiliary jaws (72) and are used for driving the two auxiliary jaws (72) to mutually approach or separate.
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