CN110217305B - Assembling and disassembling device for track shoe of heading machine - Google Patents
Assembling and disassembling device for track shoe of heading machine Download PDFInfo
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- CN110217305B CN110217305B CN201910434344.6A CN201910434344A CN110217305B CN 110217305 B CN110217305 B CN 110217305B CN 201910434344 A CN201910434344 A CN 201910434344A CN 110217305 B CN110217305 B CN 110217305B
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000004804 winding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 15
- 239000003921 oil Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000219098 Parthenocissus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/32—Assembly, disassembly, repair or servicing of endless-track systems
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of engineering machinery. The track shoe dismounting device of the heading machine comprises a dismounting platform and a track elastic mechanism, wherein the dismounting platform is supported and arranged at the lower part of a section of a track to be dismounted; the track elastic mechanism is used for tensioning and loosening the track section to be dismounted, the track plate dismounting device of the heading machine further comprises a pin shaft ejection mechanism which is arranged on the dismounting platform and used for ejecting a connecting pin shaft of the track section to be dismounted, and in the ejection process of the pin shaft, the track elastic mechanism alternately acts to enable the track section to be dismounted to be tensioned and loosened. The device has the functions of maintaining the breakpoint of the crawler belt, lifting the crawler belt and ejecting the connecting pin shaft, can be matched with the crawler belt to tighten and loosen the connecting pin shaft during the disassembly and the assembly, is convenient to disassemble, can lighten the labor intensity and improve the efficiency, and avoids the repeated disassembly of the pin shaft and the disassembly of the pin shaft by using a large hammer.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a track shoe dismounting device of a heading machine.
Background
The cantilever type heading machine is core equipment for tunneling work of coal mine tunnels, highway tunnels, railway tunnels, water conservancy tunnels and the like. The fatigue fracture condition occurs often because of long-term use in the equipment construction, and the creeper tread dismantles or changes hard because: (1) The weight of a special track shoe of the heading machine exceeds 90Kg, when the track shoe is disassembled and replaced, the connecting pin shaft is influenced by the weight of the whole set of track, and has a certain degree of suspension, the pin shaft is in an extrusion state, and the connecting pin shaft is difficult to disassemble. (2) After the connecting pin shafts are taken out, the whole set of the crawler belt is in a disconnected state, if the pin shafts are reconnected, break points at two ends of the crawler belt need to be overlapped, and the crawler belt at two ends is difficult to overlap due to the fact that the weight of the crawler belt is too large. In order to solve the problems, a novel device for dismounting the track shoe is required to be invented, so that the requirement of quickly dismounting the track shoe is met.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides a track shoe dismounting device for a heading machine, which has a track breakpoint maintaining function, a track lifting function and a connecting pin shaft ejection function, can be matched with a track tensioning and loosening process to dismount a pin shaft, is convenient to dismount, can reduce labor intensity and improve efficiency, and can avoid dismantlement of the pin shaft for many times and dismantlement of the pin shaft by using a large hammer.
In order to achieve the above purpose, the technical scheme adopted is as follows:
the utility model provides a tunneller grip-pad dismouting device, includes dismouting platform and
A crawler belt elastic mechanism, the dismounting platform support is arranged at the lower part of the section to be dismounted of the crawler belt; and
And the crawler belt loosening and tightening mechanism is used for tightening and loosening the section of the crawler belt to be disassembled.
According to the track plate dismounting device of the heading machine, the track elastic mechanism comprises a hook, a stay wire retraction assembly and a stay wire, wherein the hook is used for hooking the track plate at the end part of a section to be dismounted of the track; one end of the stay wire is connected with the hook, and the other end of the stay wire is connected with the stay wire retraction assembly; the crawler belt is characterized in that the left end and the right end of the crawler belt to be disassembled and assembled section are respectively provided with a hook and a stay wire, the stay wire retraction assembly is arranged between the two stay wires, the stay wire retraction assembly tightens up the stay wires, the crawler plates at the two ends of the crawler belt to be disassembled and assembled section move towards the direction of the disassembly platform, and the stay wire retraction assembly loosens the stay wires, and the crawler plates at the two ends of the crawler belt to be disassembled and assembled section move towards the direction deviating from the disassembly platform.
According to the track shoe dismounting device of the heading machine, the left end and the right end of the dismounting platform are respectively provided with the guide wheels, and the guide wheels are used for guiding the stay wires.
According to the device for dismounting the track shoe of the heading machine, the stay wire retraction assembly comprises a track lifting cylinder arranged at the lower end of the middle part of the dismounting platform and a stay wire connecting block detachably connected with the end part of a piston rod of the track lifting cylinder.
According to the device for dismounting the track shoe of the heading machine, the device further comprises a pin shaft ejection mechanism which is arranged on the dismounting platform and used for ejecting connecting pins of the section to be dismounted of the track, and the track elastic mechanism alternately acts to enable the section to be dismounted of the track to be tensioned and loosened in the ejection process of the pins.
According to the dismounting device for the track shoe of the heading machine, the pin shaft ejection mechanism comprises a pin shaft ejection oil cylinder, a track clamping assembly and a pin shaft push rod, wherein the pin shaft ejection oil cylinder is connected to one side of the track clamping assembly, the pin shaft push rod is propped between the end part of a piston rod of the pin shaft ejection oil cylinder and a connecting pin shaft to be dismounted, the pin shaft push rod is a sectional pin shaft combined push rod, and the sectional pin shaft combined push rod is formed by detachably assembling a plurality of sections of pin shafts.
According to the assembling and disassembling device for the track shoe of the heading machine, a pushing slide way is arranged at the lower part of the assembling and disassembling platform and used for guiding the pin shaft ejection mechanism to slide left and right on the assembling and disassembling platform.
According to the track plate dismounting device of the heading machine, the track clamping assembly comprises a thrust plate, a clamping plate, a connecting screw and a tightening nut, wherein the connecting screw sequentially penetrates through the thrust plate and the clamping plate and then is in threaded connection with the tightening nut, the track plate is positioned between the thrust plate and the clamping plate, and the pin shaft ejection oil cylinder is connected to the clamping plate.
According to the dismounting device for the track plate of the heading machine, the connecting screw comprises an upper connecting screw and a lower connecting screw, the upper connecting screw is positioned at the upper part of a track breakpoint, the lower connecting screw is positioned at the lower part of the track breakpoint, a slot is formed in the upper end of a connecting hole in the thrust plate, through which the upper connecting screw passes, and the slot is communicated with the connecting hole; the lower connecting screw is connected with a sliding block, and the sliding block is in sliding connection with the pushing slideway.
According to the device for dismounting the track shoe of the heading machine, a jacking mechanism is arranged at the lower part of the dismounting platform.
By adopting the technical scheme, the beneficial effects are that:
1. The equipment is flexible and convenient to operate, reasonable in structural design, and the main functions are realized by using the hydraulic oil cylinder, so that the manual labor intensity is reduced;
2. In the process of replacing the track plate, the track plate is realized on a disassembly and assembly platform, so that the bearing problem of the whole track is effectively solved, the drapability of the track can be controlled within a reasonable range, and the disassembly times of the track plate are effectively reduced;
3. The efficiency of replacing the track shoe is effectively improved, meanwhile, the damage to the track shoe or the pin shaft which is not required to be replaced caused by the fact that the pin shaft is detached by the large hammer is avoided, the service life of the track shoe or the pin shaft is prolonged, and therefore economic benefits are improved;
4. In the process of disassembling and installing the connecting pin shaft, the crawler belt can be tensioned and loosened by adopting the crawler belt elastic mechanism, so that the stress of the connecting pin shaft of the crawler belt plate is reduced, and the connecting pin shaft is convenient to disassemble and install.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following description will briefly explain the drawings of the embodiments of the present invention. Wherein the showings are for the purpose of illustrating some embodiments of the invention only and not for the purpose of limiting the same.
Fig. 1 shows a schematic diagram of an operating state structure of a track shoe dismounting device of a heading machine according to an embodiment of the invention.
Fig. 2 shows a schematic front view of a track shoe dismounting device for a heading machine according to an embodiment of the invention.
Fig. 3 shows a schematic perspective view of a track shoe dismounting device for a heading machine according to an embodiment of the invention.
Number in the figure:
1 is a track shoe dismounting device of a development machine, 2 is a track to be maintained, 3 is a track shoe, 4 is a left end hook, 5 is a connecting pin, 6 is a guide wheel, 7 is a pin ejecting cylinder, 8 is a track ejecting cylinder, 9 is a stay wire, 10 is a right end hook, 11 is a stay wire connecting block, 12 is a sectional pin combined push rod, 13 is a push plate, 14 is a connecting screw, 15 is a dismounting platform, 16 is a manual lifting mechanism, 17 is a pushing slide way, 18 is a tightening nut, 19 is a clamping plate, 20 is a slot, and 21 is a strip-shaped slot.
Detailed Description
In order to make the objects, technical features and technical effects of the technical solution of the present invention more clear, an exemplary solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Referring to fig. 1-3, the embodiment discloses a track shoe dismounting device 1 of a heading machine, which comprises a dismounting platform 15 and a track tightening mechanism, wherein the dismounting platform 15 is supported below a track section to be dismounted, and a jacking mechanism is arranged at the lower part of the dismounting platform 15; the track elastic mechanism comprises a hook, a pull wire 9 and a pull wire winding and unwinding component, in the embodiment, the pull wire 9 is a steel wire rope, one end of the pull wire 9 is connected with the hook, the other end of the pull wire 9 is connected with the pull wire winding and unwinding component, the hook is used for hooking the track plate 3 at the end of the section to be dismounted of the track, the hook and the pull wire 9 are respectively arranged at the left end and the right end of the section to be dismounted of the track, the hook at the left end and the right end of the section to be dismounted of the track are respectively a left end hook 4 and a right end hook 10, the pull wire winding and unwinding component is arranged between the two pull wires 9, when the pull wire winding and unwinding component tightens the pull wire 9, the track plate 3 at the two ends of the section to be dismounted of the track moves towards the direction deviating from the dismounting platform 15, and when the pull wire winding and unwinding component loosens the pull wire 9.
In this embodiment, preferably, the material guiding oblique angle or the rounded angle is processed at the both ends of dismouting platform 15, make things convenient for the relative dismouting platform 15 of track 2 to be maintained to slide, still be provided with the bar groove 21 that is convenient for pull wire 9 passed in the middle of the dismouting platform 15 both ends, when dismantling track shoe 3, dismouting platform 15 upper end contact is to be maintained track 2, the leading wheel 6 is installed respectively to the both ends about dismouting platform 15, leading wheel 6 is used for leading to pull wire 9, and make the direction of pull wire 9 pulling couple be approximately parallel to the extending direction of to be maintained track 2 on the dismouting platform 15, make the purpose that is to be maintained track 2 and relax and take up along the track extending direction.
In this embodiment, preferably, the cable winding and unwinding assembly includes a track jack 8 mounted at the lower end of the middle part of the dismounting platform 15 and a cable connection block 11 detachably connected to the end of the piston rod of the track jack 8, where the track jack 8 can also use a motor and an actuating mechanism such as a screw or an air cylinder to implement lifting, and the cable connection block 11 is connected with the left end hook 4 and the right end hook 10 through a cable 9, so as to be used for overlapping pin holes of the traction track shoe 3 and loosening and tightening the track.
The jacking mechanism is a manual jacking mechanism 16 arranged on two sides of the lower portion of the dismounting platform 15, and the manual jacking mechanism 16 of the embodiment has a self-locking function and is used for assisting in jacking the dismounting platform 15 and bearing the weight of the whole crawler, and meanwhile, the crawler jacking cylinder 8 is used as a jacking power device of the crawler jacking stage.
In this embodiment, preferably, the assembling and disassembling device for the track shoe of the heading machine further includes a pin shaft ejection mechanism, which is disposed on the assembling and disassembling platform and is used for ejecting the connecting pin shaft of the section to be disassembled of the track, so as to reduce the labor intensity of disassembling the connecting pin shaft by using the sledge hammer, and in the ejecting process of the connecting pin shaft, the track elastic mechanism acts alternately to enable the section to be disassembled of the track to be tensioned and relaxed, so that the connecting pin shaft is convenient to eject.
Specifically, the pin shaft ejection mechanism comprises a pin shaft ejection oil cylinder 7, a track clamping assembly and a pin shaft push rod, wherein the pin shaft ejection oil cylinder 7 is connected to one side of the track clamping assembly, the pin shaft push rod is propped between the end part of a piston rod of the pin shaft ejection oil cylinder 7 and a connecting pin shaft 5 to be disassembled, the pin shaft push rod is a sectional pin shaft combined push rod 12, the sectional pin shaft combined push rod 12 is formed by disassembling and assembling a plurality of sections of stepped shaft-shaped pin shafts, the diameter of the sectional pin shaft combined push rod 12 is smaller than that of a pin shaft hole of a track plate 3, and a sectional pin shaft combined push rod 12 can be used for sectionally and world pin shafts, so that the pin shaft ejection oil cylinder 7 is arranged close to a track, and force application in a pushing process is facilitated.
In this embodiment, preferably, a pushing slide way 17 is provided at the lower part of the dismounting platform 15, and is used for guiding the pin shaft ejection mechanism to slide left and right on the dismounting platform 15, so as to facilitate alignment with different track shoe connecting pins 5, and the track lifting cylinder 8 is disposed at the bottom of the pushing slide way 17 and between two manual lifting mechanisms 16 during setting.
In this embodiment, preferably, the track clamping assembly includes a thrust plate 13, a clamping plate 19, a connecting screw 14 and a tightening nut 18, the connecting screw 14 passes through the thrust plate 13 and the clamping plate 19 in sequence and then is in threaded connection with the tightening nut 18, the track plate 3 is located between the thrust plate 13 and the clamping plate 19, the pin ejection cylinder 7 is connected to the clamping plate 19, the track plate 3 is clamped by using the thrust plate 13 and the clamping plate 19, and the track plate 3 is clamped by using the connecting screw 14 and the tightening nut 18.
On the basis of the scheme, more preferably, the connecting screw 14 comprises an upper connecting screw and a lower connecting screw, the upper connecting screw is positioned at the upper part of a track breakpoint, the lower connecting screw is positioned at the lower part of the track breakpoint, and the upper connecting screw 14 and the lower connecting screw 14 are arranged to enable the track clamping assembly to clamp the track plate 3 more firmly and enable the stress of the track plate 3 to be more balanced; the upper end of the connecting hole, through which the upper connecting screw passes, of the thrust plate 13 is provided with a slot 20, and the slot 20 is communicated with the connecting hole, so that the upper connecting screw 14 can be conveniently taken off, and the crawler belt can be conveniently clamped into the pin shaft ejection mechanism; the lower connecting screw is connected with a sliding block which is in sliding connection with the pushing slideway 17.
The hydraulic power sources of the track lifting cylinder 8 and the pin lifting cylinder 7 in the embodiment can be an independent small pump station or a reserved interface taken from a development machine.
When the track shoe connecting pin 5 of the heading machine breaks or the track shoe 3 needs to be replaced, the specific use mode of the dismounting device of the track shoe of the heading machine of the embodiment is as follows:
(1) The self-carried lifting mechanism of the cantilever heading machine is enabled to act, the walking part is lifted, the walking part drives the track to separate from the ground by a certain distance, the manual jacking mechanism 16 in the track plate 3 dismounting device of the heading machine is plugged below the track 2 to be maintained after the height is reduced to the lowest, the screws of the two manual jacking mechanisms 16 are regulated respectively, the dismounting platform 15 is lifted to be in contact with the track, at the moment, the whole track still has larger suspension degree due to the heavy weight of the track, and the process is the preparation work for dismounting the track plate 3;
(2) After connection is completed, a power hydraulic source is started to control a piston rod of the track lifting cylinder 8 to extend, after the piston rod of the track lifting cylinder 8 contacts the ground or other pre-placed base plates, the piston rod of the track lifting cylinder 8 continues to extend to lift the whole dismounting platform 15, the track is lifted by the dismounting platform 15, in the track lifting process, two manual lifting mechanisms 16 are adjusted at any time, the bottom plate of the manual lifting mechanism 16 contacts the ground, after the manual lifting mechanism 16 is lifted to a proper position, the manual lifting mechanism 16 is locked, at the moment, the manual lifting mechanism 16 is used as a bearing part to support the dismounting platform 15 and the weight of the track, and the process is a lifting process of dismounting the track plate 3;
(3) Controlling the piston rod of the track jacking cylinder 8 to retract, installing a stay wire connecting block 11 at the end of the piston rod of the track jacking cylinder 8, connecting stay wires 9 at the left end and the right end of the stay wire connecting block 11, enabling the stay wires 9 to pass through a guide wheel 6 and then be connected to a left end hook 4 and a right end hook 10, enabling the left end hook 4 and the right end hook 10 to hook the track plates 3 at two sides, adjusting the length of the stay wires 9 to a reasonable length in the connection process, operating a control valve to enable the piston rod of the track jacking cylinder 8 to extend, enabling the piston rod to extend to drive the stay wires 9 at two sides to tighten, driving the track plates 3 at the left end and the right end to respectively move towards the dismounting platform 15, enabling the track plates 3 at two sides to slightly move towards the direction deviating from the dismounting platform 15 under the gravity of the track, and setting a hydraulic lock in a control pipeline of the track jacking cylinder 8, and locking the piston rod of the track jacking cylinder 8 at any position after stopping operation, wherein the process is a track tightening and loosening process;
(4) The pin shaft ejection mechanism is moved, the pin shaft ejection mechanism slides left and right on a pushing slideway 17, a piston rod of a pin shaft ejection cylinder 7 moves to the position of a connecting pin shaft 5 to be dismounted, a thrust plate 13 and a clamping plate 19 clamp the track shoe 3 by rotating and adjusting a fixing nut 18 at the position of a connecting screw 14, a matched sectional pin shaft combined push rod 12 is placed at a pin shaft hole of the track shoe 3 and is contacted with the connecting pin shaft 5 to be dismounted, the pin shaft ejection cylinder 7 is controlled to enable the piston rod of the pin shaft ejection cylinder 7 to extend to push the sectional pin shaft combined push rod 12 so as to push the connecting pin shaft 5 to be dismounted, the piston rod of the pin shaft ejection cylinder 7 is repeatedly operated to extend and retract, and meanwhile, a pin shaft is added to the sectional pin shaft combined push rod 12 in a sectional mode so as to dismount the connecting pin shaft 5 to be dismounted, in the dismounting process of the connecting pin shaft 5 to be dismounted, the tensioning and the releasing of a track is controlled by the extending and retracting action of the piston rod of the track lifting cylinder 8, and the stress of the connecting pin shaft 5 of the track shoe 3 is reduced, and the dismounting of the connecting pin shaft 5 is facilitated;
(5) Loosening the tightening nut 18, moving the pin ejection mechanism to the position of the other connecting pin 5 to be disassembled, repeating the operation of the fourth step, and disassembling the other connecting pin 5, wherein the track shoe 3 to be replaced can be taken out;
(6) Placing the new track shoe 3 on a disassembly and assembly platform 15, installing the new track shoe 3, adjusting the extending and retracting actions of the piston rod of the track lifting cylinder 8 to control the tightness of the track, and installing the connecting pin shaft 5 of the new track shoe 3;
(7) The piston rod of the track jacking cylinder 8 is retracted, the left end hook 4, the right end hook 10, the stay wire 9 and the stay wire connecting block 11 are removed, the piston rod of the track jacking cylinder 8 is extended, the track jacking cylinder 8 supports the whole track, the manual jacking mechanism 16 is adjusted to reduce the height of the track jacking cylinder, the piston rod of the track jacking cylinder 8 is slowly retracted, and the track plate dismounting device of the development machine is taken out to finish the dismounting of the whole track plate 3.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "a" and "an" and "the" and similar referents used in the specification and claims of the present application are not to be construed to cover any order, quantity, or importance, but rather are used to distinguish between the various components. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
While the exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and adaptations can be made to the above-described specific embodiments and that various combinations of the features and structures can be made without departing from the scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a entry driving machine grip-pad dismouting device which characterized in that includes:
The dismounting platform is supported and arranged at the lower part of the section to be dismounted of the crawler belt; and
A track tightening mechanism for tightening and loosening the section of the track to be disassembled;
The track tightening mechanism comprises:
the hook is used for hooking the track shoe at the end part of the section to be disassembled of the track;
A pull wire winding and unwinding assembly; and
One end of the stay wire is connected with the hook, and the other end of the stay wire is connected with the stay wire retraction assembly;
The crawler belt is characterized in that the left end and the right end of the crawler belt to be disassembled and assembled section are respectively provided with a hook and a stay wire, the stay wire retraction assembly is arranged between the two stay wires, the stay wire retraction assembly tightens up the stay wires, the crawler plates at the two ends of the crawler belt to be disassembled and assembled section move towards the direction of the disassembly platform, and the stay wire retraction assembly loosens the stay wires, and the crawler plates at the two ends of the crawler belt to be disassembled and assembled section move towards the direction deviating from the disassembly platform.
2. The device for dismounting and mounting a track shoe of a heading machine according to claim 1, wherein guide wheels are respectively mounted at the left and right ends of the dismounting and mounting platform, and the guide wheels are used for guiding the stay wire.
3. The device for dismounting and mounting a track shoe of a heading machine according to claim 1, wherein the stay wire retraction assembly comprises a track lifting cylinder arranged at the lower end of the middle part of the dismounting platform and a stay wire connection block detachably connected to the end part of a piston rod of the track lifting cylinder.
4. The apparatus according to claim 1, further comprising a pin ejector mechanism disposed on the mounting and dismounting platform and adapted to eject a section of the track to be mounted and dismounted in connection with the pin, wherein during ejection of the pin, the track tensioner alternately moves to tension and release the section of the track to be mounted and dismounted.
5. The device for disassembling and assembling a track shoe of a heading machine according to claim 4, wherein the pin ejection mechanism comprises a pin ejection cylinder, a track clamping assembly and a pin push rod, the pin ejection cylinder is connected to one side of the track clamping assembly, the pin push rod is ejected between the end of a piston rod of the pin ejection cylinder and a connecting pin to be disassembled, the pin push rod is a sectional pin combination push rod, and the sectional pin combination push rod is formed by disassembling and assembling multiple sections of pins.
6. The device for dismounting and mounting a track shoe of a heading machine as recited in claim 5, wherein a pushing slide way is arranged at the lower part of the dismounting and mounting platform for guiding the pin ejection mechanism to slide left and right on the dismounting and mounting platform.
7. The apparatus of claim 5, wherein the track clamping assembly comprises a thrust plate, a clamping plate, a connecting screw and a tightening nut, the connecting screw is threaded with the tightening nut after passing through the thrust plate and the clamping plate in sequence, the track plate is positioned between the thrust plate and the clamping plate, and the pin ejection cylinder is connected to the clamping plate.
8. The device for dismounting and mounting a track shoe of a heading machine according to claim 7, wherein the connecting screw comprises an upper connecting screw and a lower connecting screw, the upper connecting screw is located at the upper part of a track break point, the lower connecting screw is located at the lower part of the track break point, a slot is formed in the upper end of a connecting hole in the thrust plate, through which the upper connecting screw passes, and the slot is communicated with the connecting hole; the lower connecting screw is connected with a sliding block, and the sliding block is in sliding connection with the pushing slideway.
9. A heading machine track shoe attachment and detachment apparatus as claimed in any one of claims 1 to 8 wherein a lifting mechanism is provided at a lower portion of the attachment and detachment platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910434344.6A CN110217305B (en) | 2019-05-23 | 2019-05-23 | Assembling and disassembling device for track shoe of heading machine |
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| CN201910434344.6A CN110217305B (en) | 2019-05-23 | 2019-05-23 | Assembling and disassembling device for track shoe of heading machine |
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| CN110217305A CN110217305A (en) | 2019-09-10 |
| CN110217305B true CN110217305B (en) | 2024-08-30 |
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| CN114572320B (en) * | 2020-11-29 | 2024-05-10 | 哈尔滨北方防务装备股份有限公司 | Caterpillar band connecting mechanism for double-section vehicle |
| CN112429104A (en) * | 2020-12-23 | 2021-03-02 | 安徽傲宇数控科技有限公司 | Manual armoured mechanism handheld execution structure |
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| JP2002337769A (en) * | 2001-05-14 | 2002-11-27 | Hitachi Constr Mach Co Ltd | Method for attaching and detaching rubber crawler and tool for it |
| FR3022521B1 (en) * | 2014-06-20 | 2017-10-13 | Nexter Systems | HANDLING DEVICE FOR A VEHICLE TRACK, DEVICE AND METHOD FOR CHANGING CHENILLE SOLES USING SUCH A HANDLING DEVICE. |
| CN206968815U (en) * | 2016-11-20 | 2018-02-06 | 中国人民解放军济南军区72465部队 | The quick detaching equipment of creeper tread |
| CN208102149U (en) * | 2018-04-16 | 2018-11-16 | 徐州华润矿山设备厂 | It is a kind of for mounting and dismounting the device of crawler belt |
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|---|---|---|---|---|
| CN210364115U (en) * | 2019-05-23 | 2020-04-21 | 中铁工程装备集团隧道设备制造有限公司 | Dismounting device for crawler board of development machine |
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| Publication number | Publication date |
|---|---|
| CN110217305A (en) | 2019-09-10 |
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