CN110356799B - Support handling device - Google Patents
Support handling device Download PDFInfo
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- CN110356799B CN110356799B CN201910748879.0A CN201910748879A CN110356799B CN 110356799 B CN110356799 B CN 110356799B CN 201910748879 A CN201910748879 A CN 201910748879A CN 110356799 B CN110356799 B CN 110356799B
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- support
- bearing
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000003245 coal Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
- B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Manipulator (AREA)
Abstract
The utility model provides a support handling device, solves the geological conditions influence that current unit formula support removal mode exists and is big, and the potential safety hazard is many, and intensity of labour is big, and the operating efficiency is low, restricts the problem that unit formula support popularized and applied. Including bearing the weight of the connector, its characterized in that: the bearing connecting body is connected with the travelling guide rail above through a pulley assembly in a sliding way, and a supporting arm for lifting the unit bracket is arranged below the bearing connecting body; the upper side of the supporting arm is rotationally connected with the lower side of the bearing connector through a slewing mechanism; and supporting and jacking mechanisms for keeping balance and facilitating stable rotation of the supporting arms are respectively arranged on two sides of the bearing connecting body. The device has reasonable design and compact structure, can effectively shorten the carrying time of the unit type support, has high operation efficiency, can protect the roadway roof, has small occupied space, is suitable for being used in various mines, tunnels and other relatively narrow spaces including coal mines, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of mine engineering equipment, and particularly relates to a bracket conveying device which can effectively shorten the conveying time of a unit bracket, has high operation efficiency, can protect a roadway roof, occupies small space and has strong applicability.
Background
The maintenance work of modern mechanized coal face roadways is important, which directly affects the face coal mining operations, ventilation and safety. The roadway support mode is divided into single prop support and advanced support; and, advance support still includes: two-row, sliding, etc. advance supports that can self-move, and portal, stack, etc. unit supports that cannot self-move. The unit type support has the advantages that the problem of repeated support of the roadway roof is solved, the support effect is good, and the application range is wide; however, since the unit bracket does not have a walking function, it is necessary to rely on other auxiliary devices to be able to move. At present, the unit type bracket is moved by adopting the modes of winch dragging, bracket vehicle transportation and the like, the traditional transportation modes are greatly influenced by geological conditions, certain potential safety hazards exist, the labor intensity of workers is high, and the operation efficiency is low; meanwhile, due to special requirements of transportation space and the like, many mines do not have corresponding transportation conditions, so that the application of the unit type support is severely limited. There is a need for improvements in the handling and apparatus of the prior art unit brackets.
Disclosure of Invention
The invention aims at the problems and provides the bracket conveying device which can effectively shorten the conveying time of the unit bracket, has high operation efficiency, can protect the roadway roof, occupies small space and has strong applicability.
The technical scheme adopted by the invention is as follows: the support handling device comprises a bearing connector and is characterized in that: the bearing connector is connected with the traveling guide rail above through a pulley assembly in a sliding way, and a supporting arm is arranged below the bearing connector; the upper side of the supporting arm is rotationally connected with the lower side of the bearing connector through a slewing mechanism; and supporting mechanisms are respectively arranged at two sides of the bearing connector.
The bearing connector comprises a bearing box body, wherein the front end and the rear end of the bearing box body along the moving direction are respectively provided with pulley connecting parts, and the pulley connecting parts are respectively connected with the pulley assemblies; the rotary mechanism arranged at the lower side of the bearing box body consists of a rotary disc, and the driving end of the rotary disc is connected with the rotary driving mechanism; and the propping mechanisms are respectively arranged at two sides of the bearing box body. The whole bearing connector is connected onto the traveling guide rail above the bearing connector and arranged on the tunnel top plate in a sliding manner through pulley assemblies connected with two end parts of the bearing box body.
The propping mechanism comprises a propping telescopic cylinder, and the propping telescopic cylinder is connected with the side part of the bearing box body of the bearing connector through a propping connecting seat; the supporting telescopic cylinder is internally provided with a supporting hydraulic cylinder, one end of the supporting hydraulic cylinder is hinged with the lower end of the inner side of the supporting telescopic cylinder, and the supporting hydraulic cylinder extends to the other end of the outer side of the upper end of the supporting telescopic cylinder and is hinged with the middle part of the supporting boot. The supporting shoes are driven to contact with the top roadway roof by utilizing the expansion of the supporting hydraulic cylinder in the supporting expansion cylinder, so that the balance stability of the supporting arm in the process of rotating and lifting the unit type bracket is enhanced, and the use reliability of the device is ensured.
The supporting boot is composed of a cuboid box body structure, and supporting inclined planes are respectively arranged at the two ends of the supporting boot box body structure and at the upper sides of the supporting boot box body structure, which are in contact with the roadway top plate. The supporting device has the advantages that the contact area between the supporting shoes and the roadway roof is increased, the roof pressure born by the supporting mechanism is reduced, the supporting stability of the device is improved, and the supporting mechanism is beneficial to adapting to roadway roof conditions under different conditions.
The front end of the supporting arm is provided with a lifting supporting part, the upper part of the rear side of the lifting supporting part is provided with a fixed baffle, the front side of the lifting supporting part is provided with a movable clamping plate, the movable clamping plate comprises a clamping plate inserting column, and one end of the clamping plate inserting column is provided with a clamping plate; the clamping plate inserting column of the movable clamping plate is movably inserted into the clamping plate inserting cavity at the front end of the supporting arm, a clamping hydraulic cylinder is arranged in the clamping plate inserting cavity, one end of the clamping hydraulic cylinder is hinged with the end part of the inner side of the clamping plate inserting cavity, and the other end of the clamping hydraulic cylinder is hinged with the end part of the inner cavity of the clamping plate inserting column of the movable clamping plate. The movable clamping plate is driven to stretch by the clamping hydraulic cylinder, and then the support top beam on the support lifting support part is fixed by the movable clamping plate and the rear fixed baffle plate in a matched clamping mode, so that the support arm is convenient to drive the whole unit support of the lowered frame to rotate together, and transportation is convenient.
The support arm is a telescopic support arm, the telescopic support arm is composed of a telescopic sleeve, and a support inserted rod is movably inserted in the telescopic sleeve; the upper side of the telescopic sleeve of the telescopic supporting arm is rotationally connected with the lower side of the bearing connector through a slewing mechanism. The supporting range of the supporting arm is lifted, the supporting inserted rod of the telescopic supporting arm is retracted in the carrying process of the bracket, and the running stability is improved.
The telescopic sleeve of the telescopic support arm is composed of a sleeve main body, a support rod inserting cavity is arranged in the sleeve main body, and a rotary connecting flange is arranged on the upper side of the sleeve main body; the support inserted link movably inserted in the support rod inserting cavity of the telescopic sleeve is composed of an inserted link main body, a telescopic cylinder inserting cavity is formed in the inserted link main body, a telescopic hydraulic cylinder is arranged in the telescopic cylinder inserting cavity, one end of the telescopic hydraulic cylinder is hinged with the end part of the inner side of the telescopic cylinder inserting cavity, and the telescopic hydraulic cylinder extends out to the other end of the rear end of the inserted link main body and is hinged with the end part of the inner side of the support rod inserting cavity of the telescopic sleeve; the front end of the inserted link main body is provided with a lifting supporting part. The telescopic support arm is connected with a rotary mechanism at the lower side of the bearing connector by using a rotary connecting flange at the upper side of the telescopic sleeve; and the supporting inserted rod inserted in the telescopic sleeve is driven to reciprocate and stretch by the telescopic hydraulic cylinder, so that the supporting top beam of the unit type support is supported by the supporting and lifting supporting part at the front end of the supporting inserted rod.
The pulley assembly comprises a pulley body, wherein the pulley body is composed of connecting vertical plates at two sides, and a traveling pulley used for being matched and connected with a traveling guide rail is arranged at the upper part between the connecting vertical plates at two sides; the lower part of one end of the vertical plate is provided with a traction part. The whole pulley assembly is slidably connected with the travelling guide rail above through the travelling pulley on the upper part of the pulley body, and the pulley assembly and the bearing connecting body connected with the pulley assembly are driven to move forwards along the travelling guide rail by utilizing the driving pull rod connected with the traction part of the pulley assembly, so that the unit type bracket is moved forwards frame by frame.
The pulley assembly is formed by combining two groups of pulley bodies, and the two groups of pulley bodies are connected through a pulley connecting seat; the pulley connecting seat comprises a connecting seat main body, and two ends of the connecting seat main body are respectively provided with a pulley body connecting hole; the pulley connecting seat is characterized in that two ends of the pulley connecting seat are hinged with the wheel seat connecting parts on the two connecting vertical plates of the pulley body and at one end opposite to the traction part through the wheel body connecting holes. The pulley assembly is connected with the bearing connector through the pulley connecting seat, and the pulley assembly formed by movably hinging the two pulley bodies is used for effectively avoiding the torsion phenomenon of the bearing connector in the running process on the running guide rail, ensuring the smoothness of the movement of the unit type support, improving the working efficiency of the support transportation and adapting to the fluctuation trend of the roadway better.
Guide pulleys are respectively arranged on two sides above the traction part of the pulley body. The bearing connector is guided to move along the walking guide rail, so that the stability of the transportation of the support is improved.
The invention has the beneficial effects that: the invention adopts the bearing connector which is connected with the upper walking guide rail in a sliding way through the pulley component, the supporting arm is arranged below the bearing connector, the upper side of the supporting arm is connected with the lower side of the bearing connector in a rotating way through the slewing mechanism, and the two sides of the bearing connector are respectively provided with the structural form of the propping mechanism, so the invention has reasonable design and compact structure, and the rotatable supporting arm is utilized to lift and rotate the to-be-moved unit bracket on the premise of fully meeting the moving requirement of the unit bracket, and then the bearing connector hung on the walking guide rail is utilized to drive the to-be-moved unit bracket to move towards the forefront end of the roadway advance support section. Furthermore, operators can safely, laborsaving and rapidly carry the bracket to a designated place, so that the carrying time of the unit bracket is effectively shortened, and the working efficiency is improved; meanwhile, the protection effect on the tunnel roof is achieved, mining influence of coal mining working faces on the tunnel is reduced, supporting safety of the tunnel is guaranteed, occupied space is small, and the tunnel is suitable for being used in various mines including coal mines, tunnels and other relatively narrow spaces, and is high in practicability.
Drawings
Fig. 1 is a schematic view of a structure of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a schematic view of a connection structure of the load bearing connector and the telescoping support arm of fig. 1.
Fig. 5 is a schematic view of a structure of the load bearing connector of fig. 4.
Fig. 6 is a bottom view of fig. 5.
Fig. 7 is a schematic view of a construction of the jacking mechanism of fig. 4.
Fig. 8 is a cross-sectional view of the internal structure of fig. 7.
Fig. 9 is a schematic view of a construction of the telescopic sleeve of fig. 4.
Fig. 10 is a schematic view of a structure of the support plunger of fig. 4.
Fig. 11 is a sectional view of the internal structure of fig. 10.
Fig. 12 is a schematic view of a structure of the plunger body of fig. 10.
Fig. 13 is a schematic view of a structure of the movable clamp plate in fig. 10.
Fig. 14 is a schematic view of a construction of the pulley assembly of fig. 1.
FIG. 15 is a schematic view of a structure of the runner body of FIG. 14.
Fig. 16 is a schematic view of a structure of the pulley connecting seat in fig. 14.
Fig. 17 is a schematic diagram showing a transporting process of a moving unit type rack of the rack transporting device of the present invention.
FIG. 18 is a second schematic diagram of the moving unit type rack carrying process of the rack carrying device according to the present invention.
FIG. 19 is a third schematic view showing a transporting process of a movable unit type rack of the rack transporting apparatus according to the present invention.
FIG. 20 is a diagram showing a moving unit type rack carrying process of the rack carrying apparatus according to the present invention.
The serial numbers in the figures illustrate: the hydraulic lifting device comprises a walking guide rail 1, a bearing connecting body 2, a pulley assembly 3, a supporting arm 4, a rotating mechanism 5, a supporting mechanism 6, a connecting pull rod 7, a hydraulic operating platform 8, a driving pull rod 9, a tensioner 10, a bearing box 11, a pulley connecting part 12, a telescopic sleeve 13, a supporting plug rod 14, a supporting connecting seat 15, a supporting telescopic sleeve 16, a pulley fixed pin shaft 17, a rotating disc 18, a rotating driving mechanism 19, a fixed limiting block 20, a supporting hydraulic cylinder 21, a supporting shoe 22, a sleeve main body 23, a rotating connecting flange 24, a rotating limiting block 25, a supporting rod plug cavity 26, a tensioning connecting lug plate 27, a plug rod main body 28, a supporting part 29, a telescopic hydraulic cylinder 30, a fixed baffle plate 31, a movable clamping plate 32, a telescopic cylinder plug cavity 33, a clamping plate plug rod plug cavity 34, a clamping hydraulic cylinder 35, a clamping plate 36, a pulley body 38, a pulley connecting seat 39, a pulley connecting seat 40, a traction part 41, a connecting vertical pulley seat 42, a connecting part 43, a guide pulley 44, a connecting seat main body 45, a pulley body 46, a pulley fixing pin hole 48, a tensioning connecting hole 49, a supporting seat support frame 50, a support frame 51, a lifting support frame 52 and a lifting support frame 52.
Detailed Description
The specific structure of the present invention will be described in detail with reference to fig. 1 to 16. The support carrying device comprises a bearing connector 2, wherein the bearing connector 2 is composed of a bearing box 11, and pulley connecting parts 12 used for being connected with a pulley assembly 3 are respectively arranged at the front end and the rear end of the bearing box 11 along the moving direction. Pulley assemblies 3 are respectively arranged at pulley connecting parts 12 at two ends of the bearing connecting body 2, the pulley assemblies 3 are formed by combining two groups of pulley bodies 38, the pulley bodies 38 comprise connecting vertical plates 41 at two sides, and a traveling pulley 43 for being matched and connected with the traveling guide rail 1 is arranged at the upper part between the connecting vertical plates 41 at two sides; the lower part of one end of the two side connecting vertical plates 41 is provided with a traction part 40, and the other end of the two side connecting vertical plates 41 is provided with a wheel seat connecting part 42. The two groups of pulley bodies 38 of the pulley assembly 3 are connected through a pulley connecting seat 39, the pulley connecting seat 39 comprises an inverted triangle connecting seat main body 45, and two ends of the connecting seat main body 45 are respectively provided with a pulley body connecting hole 46; the middle part of the connection block body 45 is provided with a pulley fixing pin hole 47 vertically arranged, and the lower part of the connection block body 45 is provided with a tensioning connection hole 48 for connecting with one end of the chain tensioner 10.
Both ends of the pulley connecting seat 39 are respectively hinged with the wheel seat connecting parts 42 on two connecting vertical plates 41 of the pulley body 38 and on the opposite end of the traction part 40 through the wheel body connecting holes 46. And then utilize the pulley fixed pin axle 17 that passes pulley fixed pin hole 47 of pulley connecting seat 39, link to each other pulley assembly 3 with the pulley connecting portion 12 that bears connector 2 to through the pulley assembly 3 that is formed by two sets of pulley body 38 activity articulates, effectively avoid bearing connector 2 and move the torsion phenomenon in-process on walking guide 1, ensure the smoothness nature of unit type support removal, promote the work efficiency of support transport, and adapt to the trend of tunnel height fluctuation better. The bearing connecting body 2 is in sliding connection with the walking guide rail 1 with the I-shaped cross section above the pulley body 38 through the walking pulley 43 on the upper part of the pulley body 38 of the pulley assembly 3, and simultaneously, two adjacent pulley assemblies 3 are connected through the connecting pull rod 7; the pulley assembly 3 and the load-bearing link 2 connected thereto are driven to move forward along the running rail 1 by the driving rod 9 connected to the traction portion 40 of the pulley assembly 3, so that the unit brackets are moved forward from frame to frame. For the purpose of guiding the movement of the bearing connector 2 along the running rail 1, two sides above the traction portion 40 of the pulley body 38 are respectively provided with a guide pulley 44 for contacting with the vertical surface of the middle stud of the I-shaped cross section of the running rail 1, so as to promote the stability of the transportation of the bracket.
The supporting arm 4 for lifting the unit bracket is arranged below the bearing box 11 of the bearing connector 2, and it can be understood that in order to lift the supporting range of the supporting arm, the supporting arm 4 can adopt a telescopic structure (according to specific use requirements, the supporting arm 4 can also adopt an integrated structure), and the supporting insert rod of the telescopic supporting arm is retracted in the bracket carrying process, so that the running stability is improved. The telescopic supporting arm 4 is composed of a telescopic sleeve 13, and a supporting inserting rod 14 is movably inserted into the telescopic sleeve 13. The telescopic sleeve 13 of the telescopic support arm 4 is composed of a sleeve main body 23, a support rod inserting cavity 26 is arranged in the sleeve main body 23, a rotary connecting flange 24 which is used for being connected with a rotary disc 18 of a rotary mechanism 5 arranged on the lower side of the bearing connector 2 is arranged on the upper side of the sleeve main body 23, and the rotary connecting flange 24 and the telescopic support arm 4 are driven to rotate by a rotary driving mechanism 19 which is connected with the driving end of the rotary disc 18; the lower side of the sleeve body 23 of the telescopic sleeve 13 is provided with a tensioning attachment lug 27 for attachment to one end of the chain tensioner 10. Thereby, the telescopic support arm 4 is connected with the slewing mechanism 5 at the lower side of the bearing connector 2 by using the slewing connection flange 24 at the upper side of the telescopic sleeve 13; and the supporting inserted rod 14 inserted in the telescopic sleeve 13 is driven to reciprocate and extend by the telescopic hydraulic cylinder 30, so that the supporting top beam 52 of the unit bracket is lifted and supported by the lifting supporting part 29 at the front end of the supporting inserted rod 14. In order to mechanically limit the rotation position of the telescopic support arm 4 and prevent equipment damage caused by improper operation, a fixed limiting block 20 is arranged in the middle of a rotary disc 18 of the rotary mechanism 5; correspondingly, a rotation limiting block 25 which is matched and clamped with the fixed limiting block 20 is arranged in the middle of a rotation connecting flange 24 arranged on the upper side of the sleeve body 23 of the telescopic supporting arm 4.
The support inserted rod 14 movably inserted in the support rod inserting cavity 26 of the telescopic sleeve 13 of the telescopic support arm 4 is composed of an inserted rod main body 28, and two ends inside the inserted rod main body 28 are respectively provided with a telescopic cylinder inserting cavity 33 and a clamping plate inserting cavity 34. A telescopic hydraulic cylinder 30 is arranged in a telescopic cylinder inserting cavity 33 of the supporting inserting rod 14, and one end of the telescopic hydraulic cylinder 30 is hinged with the end part of the inner side of the telescopic cylinder inserting cavity 33; the telescopic hydraulic cylinder 30 extends to the other end outside the rear end of the inserted link body 28 and is hinged with the end inside the supporting rod inserting cavity 26 of the telescopic sleeve 13. The front end of the rod body 28 supporting the rod 14 is provided with a lifting support portion 29 for lifting a bracket top beam 52 of the unit bracket, the upper portion of the rear side of the lifting support portion 29 is provided with a fixed baffle 31, and the front side of the lifting support portion 29 is provided with a movable clamp plate 32. The movable clamp plate 32 comprises a clamp plate inserting column 36, and a clamping plate 37 is arranged at one end of the clamp plate inserting column 36; the clamping plate inserting posts 36 of the movable clamping plate 32 are movably inserted into the clamping plate inserting cavities 34 of the front ends of the inserting rod main bodies 28 of the supporting inserting rods 14, and clamping hydraulic cylinders 35 are further arranged in the clamping plate inserting cavities 34. One end of the clamping hydraulic cylinder 35 is hinged with the end part of the inner side of the clamping plate inserting cavity 34 of the supporting inserting rod 14, and the other end of the clamping hydraulic cylinder 35 is hinged with the end part of the inner cavity of the clamping plate inserting column 36 of the movable clamping plate 32. And the movable clamping plate 32 is driven to stretch out and draw back by the clamping hydraulic cylinder 35 so as to fix the support top beam 52 on the support inserting rod 14 and lift the support part 29 by the matching clamping of the movable clamping plate 32 and the rear fixed baffle 31, thereby being convenient for the telescopic supporting arm 4 to drive the whole unit support of the lowered frame to rotate together and facilitating transportation.
The two sides of the bearing box 11 of the bearing connector 2 are respectively provided with a propping mechanism 6 which is used for keeping balance and is beneficial to the stable rotation of the telescopic supporting arm 4. The propping mechanism 6 comprises a propping telescopic cylinder 16 which is vertically arranged, and the propping telescopic cylinder 16 is connected with the side part of the bearing box body 11 through a propping connecting seat 15. A propping hydraulic cylinder 21 is arranged in the propping telescopic cylinder 16, and one end of the propping hydraulic cylinder 21 is hinged with the lower end of the inner side of the propping telescopic cylinder 16; the propping hydraulic cylinder 21 extends to the other end of the outer side of the upper end of the propping telescopic cylinder 16 and is hinged with the middle part of the propping shoe 22. The supporting shoes 22 are formed by cuboid box structures, and supporting inclined planes are respectively arranged at the two ends of the box structures of the supporting shoes 22 and at the upper sides of the box structures which are contacted with the roadway top plate; so as to increase the contact area between the propping boots 22 and the roadway roof, reduce the roof pressure born by the propping mechanism 6, improve the propping stability of the device and facilitate the propping mechanism 6 to adapt to the roadway roof conditions of different conditions. And, utilize the expansion and contraction of propping up pneumatic cylinder 21 in propping up telescopic cylinder 16, drive prop top boots 22 and the top panel of upper roadway and contact to reinforcing flexible support arm 4 is flexible, rotatory, and the balanced stability of lifting unit formula support in-process.
When the support carrying device is used, the support carrying device 49 is arranged on the walking guide rail 1 in the middle of each group of two-frame unit supports and in the middle of a roadway, when the rear unit support needs to be moved forwards to the forefront of an advanced support section, firstly, the support hydraulic cylinders 21 of the support mechanism 6 on the two sides of the bearing connector 2 extend out, and then the support boots 22 at the front ends of the support hydraulic cylinders 21 are driven to contact with the top plate of the roadway above so as to keep the balance of the two sides of the device and support the top safely and reliably. Then, the telescopic support arm 4 is driven to rotate towards one side of any one of the set of unit brackets to be moved by the slewing mechanism 5, the telescopic support arm 4 is perpendicular to the walking guide rail 1, the bearing connector 2 is moved back and forth, and the telescopic support arm 4 is located at the middle position of the bracket top beam 52 (as shown in fig. 17). Then, the telescopic hydraulic cylinder 30 is extended to drive the supporting inserted rod 14 of the telescopic supporting arm 4 to extend, so that the lifting supporting part 29 at the front end of the supporting inserted rod 14 is positioned right below the middle part of the bracket top beam 52; at this time, the clamping cylinder 35 is in an extended state, that is: the movable clamp plate 32 and the fixed baffle 31 are opened to facilitate placement of the bracket header 52 (as shown in fig. 18).
Subsequently, the bracket lifting upright 51 is retracted, the bracket top beam 52 is gradually lowered, and when the lower side of the bracket top beam 52 is in contact with the lifting support portion 29 of the extended support plunger 14, the movable clamp plate 32 is driven to retract to the inner side by the clamping hydraulic cylinder 35, so that the bracket top beam 52 on the lifting support portion 29 of the support plunger 14 is fixed by the matched clamping of the movable clamp plate 32 and the rear side fixing baffle 31; simultaneously, the bracket lifting upright posts 51 are continuously retracted, so that the bracket base 50 is completely separated from the bottom of the roadway, and the bracket is convenient to rotate and transport subsequently (as shown in fig. 19); the liquid inlet and return pipeline of the bracket is disconnected and plugging protection is performed. Then, the supporting plunger 14 and the unit bracket on which the rack has been lowered are retracted, and the telescopic supporting arm 4 is slowly rotated back to the initial position parallel to the running rail 1; thereafter, the unit brackets on the telescopic support arms 4 are fastened and fixed by means of the chain tensioner 10 connected to the lower tension connection lug plate 27 of the telescopic sleeve 13 and the chain tensioner 10 connected to the upper traveling rail 1 through the pulley assembly 3, respectively. The propping mechanisms 6 at the two sides are retracted, after the liquid inlet and return pipelines of the hydraulic operation table 8 are disconnected and plugging is carried out, the unit type bracket is transported forwards by using a driving device connected with a driving pull rod 9 (shown in figure 20).
After the bracket is transported to a designated position in front, connecting the liquid inlet and return pipelines of the hydraulic operating platform 8, and then loosening the two groups of chain tensioners 10; subsequently, the propping mechanisms 6 extending out of the two sides prop up, rotate the telescopic support arm 4 towards the side where the support is needed and the unit support on which the support is lowered, and then extend out the support inserting rod 14 of the telescopic support arm 4, so as to drive the unit support thereon to be positioned to the supporting position. The liquid inlet and return pipelines of the bracket are connected again, the lifting upright post 51 of the bracket is lifted, and after the bracket base 50 is fully contacted with the roadway bottom plate, the movable clamping plate 32 at the front end of the supporting inserted link 14 is extended; as the support lifting upright 51 continues to rise, the support top beam 52 is brought into full contact with the roof of the roadway to form a support. The supporting inserted rod 14 of the telescopic supporting arm 4 is retracted, the telescopic supporting arm 4 is rotated back to the initial position parallel to the walking guide rail 1, the bearing connector 2 is moved back to the rear of the advanced supporting section, the steps are repeated, and the other two frames in each group of two-frame unit type frames are carried and moved forward.
Claims (7)
1. Support handling device, including bearing the weight of connector (2), its characterized in that: the bearing connecting body (2) is connected with the upper walking guide rail (1) in a sliding way through the pulley assembly (3), and a supporting arm (4) is arranged below the bearing connecting body (2); the upper side of the supporting arm (4) is rotationally connected with the lower side of the bearing connector (2) through a slewing mechanism (5); supporting mechanisms (6) are respectively arranged at two sides of the bearing connector (2); the front end of the supporting arm (4) is provided with a lifting supporting part (29), the upper part of the rear side of the lifting supporting part (29) is provided with a fixed baffle plate (31), the front side of the lifting supporting part (29) is provided with a movable clamping plate (32), the movable clamping plate (32) comprises a clamping plate inserting column (36), and one end of the clamping plate inserting column (36) is provided with a clamping plate (37); the clamping plate inserting column (36) of the movable clamping plate (32) is movably inserted into the clamping plate inserting cavity (34) at the front end of the supporting arm (4), a clamping hydraulic cylinder (35) is arranged in the clamping plate inserting cavity (34), one end of the clamping hydraulic cylinder (35) is hinged with the end part of the inner side of the clamping plate inserting cavity (34), and the other end of the clamping hydraulic cylinder (35) is hinged with the end part of the inner cavity of the clamping plate inserting column (36) of the movable clamping plate (32); the support arm (4) is a telescopic support arm, the telescopic support arm is composed of a telescopic sleeve (13), and a support inserting rod (14) is movably inserted into the telescopic sleeve (13); the upper side of a telescopic sleeve (13) of the telescopic support arm is rotationally connected with the lower side of the bearing connector (2) through a slewing mechanism (5); the telescopic sleeve (13) of the telescopic support arm is composed of a sleeve main body (23), a support rod inserting cavity (26) is formed in the sleeve main body (23), and a rotary connecting flange (24) is arranged on the upper side of the sleeve main body (23); the support inserting rod (14) movably inserted in the support rod inserting cavity (26) of the telescopic sleeve (13) is composed of an inserting rod main body (28), a telescopic cylinder inserting cavity (33) is formed in the inserting rod main body (28), a telescopic hydraulic cylinder (30) is arranged in the telescopic cylinder inserting cavity (33), one end of the telescopic hydraulic cylinder (30) is hinged with the end part of the inner side of the telescopic cylinder inserting cavity (33), and the telescopic hydraulic cylinder (30) extends out to the other end of the outer part of the rear end of the inserting rod main body (28) and is hinged with the end part of the inner side of the support rod inserting cavity (26) of the telescopic sleeve (13); the front end of the inserted link main body (28) is provided with a lifting supporting part (29).
2. The rack handling device of claim 1, wherein: the bearing connecting body (2) comprises a bearing box body (11), wherein the front end and the rear end of the bearing box body (11) along the moving direction are respectively provided with pulley connecting parts (12), and the pulley connecting parts (12) are respectively connected with the pulley assembly (3); the rotary mechanism (5) arranged at the lower side of the bearing box body (11) consists of a rotary disc (18), and the driving end of the rotary disc (18) is connected with a rotary driving mechanism (19); and the propping mechanisms (6) are respectively arranged at two sides of the bearing box body (11).
3. The rack handling device of claim 2, wherein: the propping mechanism (6) comprises a propping telescopic cylinder (16), and the propping telescopic cylinder (16) is connected with the side part of the bearing box body (11) of the bearing connector (2) through a propping connecting seat (15); the supporting telescopic cylinder (16) is internally provided with a supporting hydraulic cylinder (21), one end of the supporting hydraulic cylinder (21) is hinged with the lower end of the inner side of the supporting telescopic cylinder (16), and the supporting hydraulic cylinder (21) extends to the other end of the outer side of the upper end of the supporting telescopic cylinder (16) and is hinged with the middle part of a supporting boot (22).
4. A rack handling device according to claim 3, wherein: the supporting shoes (22) are formed by cuboid box structures, and supporting inclined planes are respectively arranged at two ends of the box structures of the supporting shoes (22) and at the upper sides of the box structures, which are contacted with the roadway top plate.
5. The rack handling device of claim 1, wherein: the pulley assembly (3) comprises a pulley body (38), the pulley body (38) is composed of connecting vertical plates (41) at two sides, and a traveling pulley (43) matched and connected with the traveling guide rail (1) is arranged at the upper part between the connecting vertical plates (41) at two sides; the lower part of one end of the two sides connecting vertical plates (41) is provided with a traction part (40).
6. The rack handling device of claim 5, wherein: the pulley assembly (3) is formed by combining two groups of pulley bodies (38), and the two groups of pulley bodies (38) are connected through a pulley connecting seat (39); the pulley connecting seat (39) comprises a connecting seat main body (45), and wheel body connecting holes (46) are respectively formed at two ends of the connecting seat main body (45); two ends of the pulley connecting seat (39) are respectively hinged with wheel seat connecting parts (42) on two connecting vertical plates (41) of the pulley body (38) and at one end opposite to the traction part (40) through wheel body connecting holes (46).
7. The rack handling device of claim 5, wherein: guide pulleys (44) are respectively arranged on both sides above the traction part (40) of the pulley body (38).
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