CN112217172A - Towing cable telescoping device for fully-mechanized excavating machine - Google Patents
Towing cable telescoping device for fully-mechanized excavating machine Download PDFInfo
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- CN112217172A CN112217172A CN202011186057.7A CN202011186057A CN112217172A CN 112217172 A CN112217172 A CN 112217172A CN 202011186057 A CN202011186057 A CN 202011186057A CN 112217172 A CN112217172 A CN 112217172A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000005065 mining Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a towing cable telescoping device for a fully-mechanized excavating machine, which comprises: the lower end of the front support is fixedly connected to the rear end of the two-conveyer belt loader, the front fixed pulley is fixedly connected to the upper end of the front support, the rear support is vertically arranged, the lower end of the rear fixed pulley is fixedly connected to the rear end of the three-conveyer belt, the rear fixed pulley is fixedly connected to the upper end of the rear support, one end of a steel wire rope is fixed to the front end of the three-conveyer belt, the other end of the steel wire rope sequentially penetrates through the front fixed pulley and the rear fixed pulley and is fixed to the rear end of the three-conveyer belt, and a plurality of hooks are hung on the steel wire rope and used for hanging a cable, so that the cable moves forwards or backwards along; according to the invention, the front support and the rear support are arranged, so that the cable of the comprehensive excavator moves along with the comprehensive excavator all the time, and the cable is prevented from being broken or broken.
Description
Technical Field
The invention belongs to the field of underground mining equipment, and particularly relates to a towing cable telescopic device for a fully-mechanized excavating machine.
Background
The fully-mechanized excavating machine is a comprehensive mechanized excavating machine for short, and is comprehensive mechanized equipment integrating multiple functions of excavating, rock loading, coal transporting, even supporting and nailing. After comprehensive mechanical tunneling is generally used, compared with a tunneling process of drilling and blasting, the tunneling progress can be increased by more than 30 times. Due to the restriction of cutting tooth steel, the comprehensive mechanical tunneling is only suitable for all-coal roadways.
When the fully-mechanized excavating machine is used for construction on a roadway excavation working surface, coal cutting and supporting construction is carried out for a plurality of times by moving the fully-mechanized excavating machine back and forth according to the construction progress, a random cable of the fully-mechanized excavating machine is dragged in a manual mode in the construction process, and the accident that the random cable of the fully-mechanized excavating machine is broken or broken frequently occurs in the use process, so that great hidden danger is caused to safety production.
Disclosure of Invention
The invention aims to provide a towing cable telescopic device for a fully-mechanized excavating machine, which solves the problem that random cables are easily broken or broken in the prior art.
The invention adopts the following technical scheme: a streamer telescoping device for a fully mechanized mining machine, comprising:
a front bracket which is vertically arranged, the lower end of the front bracket is fixedly connected with the rear end of the two belt conveyer,
a front fixed pulley fixedly connected with the upper end of the front bracket,
a rear bracket which is vertically arranged, the lower end of the rear bracket is fixedly connected with the rear end of the three-conveyer belt conveyor,
a rear fixed pulley fixedly connected with the upper end of the rear bracket,
one end of the steel wire rope is fixed at the front end of the three-conveyer belt conveyor, the other end of the steel wire rope sequentially passes through the front fixed pulley and the rear fixed pulley and is fixed at the rear end of the three-conveyer belt conveyor,
and the hooks are hung on the steel wire rope and used for hanging the cable, so that the cable moves forwards or backwards along with the roadheader.
Furthermore, the lower end of the front support is fixedly connected with a lower fixed pulley, one end of a steel wire rope is fixed at the front end of the three-conveyor belt, and the other end of the steel wire rope penetrates through the lower fixed pulley, the front fixed pulley and the rear fixed pulley in sequence and then is fixed at the rear end of the three-conveyor belt.
Further, the rear bracket includes:
two rear supporting rods which are oppositely and vertically arranged are positioned at two sides of the beam of the three-conveyor belt conveyor, the lower ends of the two rear supporting rods are connected with the beam of the three-conveyor belt conveyor through bolts,
a rear pulley fixing rod which is transversely arranged, two ends of which are respectively in threaded connection with the upper ends of the two rear supporting rods, a rear fixed pulley is arranged on the rear pulley fixing rod,
the back plate is square and vertically arranged and is fixedly connected to the two back supporting rods and one side wall facing the two belt transfer conveyors.
Furthermore, the upper surface of the back plate and the surface facing the two-conveyer belt transfer conveyor are fixedly connected with a back pulling plate, the back pulling plate is L-shaped and consists of an upper plate surface and a lower plate surface, the free ends of the upper plate surface and the lower plate surface are both welded with the back plate, the opening of the back pulling plate faces the back plate, the lower plate surface of the back pulling plate is provided with a through hole,
and the rear pull rod is obliquely arranged and forms a triangle with the rear support rod and the beam of the third belt conveyor, one end of the rear pull rod penetrates through the through hole of the lower plate surface to be fixedly connected with the rear pull plate, and the other end of the rear pull rod is fixedly connected with the beam of the third belt conveyor.
Further, the front bracket includes:
two front supporting rods which are oppositely and vertically arranged are positioned at two sides of the cross beam of the two belt conveyer, the lower ends of the two front supporting rods are connected with the cross beam bolt of the two belt conveyer,
an upper pulley fixed rod which is transversely arranged, two ends of which are respectively in threaded connection with the upper ends of the two front supporting rods, a front fixed pulley is arranged on the upper pulley fixed rod,
a lower pulley fixed rod which is transversely arranged, two ends of which are respectively in threaded connection with the lower ends of the two front supporting rods, a lower fixed pulley is arranged on the lower pulley fixed rod,
the two front side plates are rectangular, are vertically and oppositely arranged, are respectively positioned on two sides of the two front supporting rods, and are clamped between the two front supporting rods through bolts to be fixed.
Further, still include:
two grip blocks, vertical and parallel preceding bracing piece setting are located the both sides of two fortune belt elevating conveyor frames respectively to through the bolt reciprocal anchorage, wherein be close to fixedly connected with support dead lever on the grip block of fore-stock one side, the support dead lever transversely sets up and with the preceding curb plate fixed connection who is close to the grip block, grip block and support dead lever are used for carrying out the secondary to whole fore-stock and fix.
The invention has the beneficial effects that: by arranging the front support and the rear support, the cable of the comprehensive excavator always moves forwards along with the advance of the comprehensive excavator, and moves backwards along with the retreat of the comprehensive excavator, so that the cable is prevented from being crushed or broken; the three pulleys are arranged to support and slide the cable, so that the abrasion of the cable is reduced; and the three pulleys are mutually matched, so that the safety of the random cable of the fully-mechanized excavating machine is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a front bracket according to the present invention;
fig. 3 is a schematic structural view of the rear bracket of the present invention.
Wherein: 1. a front bracket; 2. a front fixed pulley; 3. a rear bracket; 4. a rear fixed pulley; 5. a wire rope; 6. hooking; 7. a lower fixed pulley; 8. a rear support bar; 9. a rear pull rod; 10. a back panel; 11. a back pulling plate; 12. feeding a plate surface; 13. a lower plate surface; 14. a front support bar; 15. a front side plate; 16. conveying the belt conveyor; 17. a second belt conveyor; 18. a cable wire; 19. a clamping plate; 20. the bracket is fixed with a rod.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a towing cable telescoping device for a comprehensive excavator, which comprises a front support 1, a front fixed pulley 2, a rear support 3, a rear fixed pulley 4, a steel wire rope 5 and a plurality of hooks 6, wherein the front support 1 is vertically arranged, the lower end of the front support 1 is fixedly connected with the rear end of a two-conveyer belt conveyor 17, the front fixed pulley 2 is fixedly connected with the upper end of the front support 1, the rear support 3 is vertically arranged, the lower end of the rear support 3 is fixedly connected with the rear end of a three-conveyer belt conveyor 16, the rear fixed pulley 4 is fixedly connected with the upper end of the rear support 3, one end of the steel wire rope 5 is fixed at the front end of the three-conveyer belt conveyor 16, the other end of the steel wire rope passes through the front fixed pulley 2 and the rear fixed pulley 4 in sequence and is fixed at the rear end of the three-conveyer belt conveyor 16, the hooks 6 are hung on the steel wire rope 5, the hooks 6 are used for hanging the cable 18, so that, namely, the comprehensive excavator moves forward along with the forward movement of the comprehensive excavator and moves backward along with the backward movement of the comprehensive excavator.
When the fully-mechanized excavating machine is used for construction on a roadway excavation working surface, coal cutting and supporting construction is carried out for a plurality of times by moving the fully-mechanized excavating machine back and forth according to the construction progress, a random cable of the fully-mechanized excavating machine is dragged in a manual mode in the construction process, and the accident that the random cable of the fully-mechanized excavating machine is broken or broken frequently occurs in the use process, so that great hidden danger is caused to safety production.
By arranging the front support 1 and the rear support 3, the cable 18 of the roadheader always moves forwards along with the advancing of the roadheader and moves backwards so as to avoid the cable 18 from being crushed or broken; by arranging the two pulleys, the power supply cable 18 supports and slides, so that the abrasion of the cable 18 is reduced; and the two pulleys are mutually matched, so that the safety of the random cable of the fully-mechanized excavating machine is ensured.
As shown in fig. 3, the lower end of the front bracket 1 is also fixedly connected with a lower fixed pulley 7, and the other end of the steel wire rope 5 passes through the lower fixed pulley 7, the front fixed pulley 2 and the rear fixed pulley 4 in sequence and then is fixed at the rear end of the three-conveyor belt 16. Although the front fixed pulley 2 and the rear fixed pulley 4 are arranged, in order to enable the steel wire rope 5 to be more stably fixed and form a triangle, the stability of the steel wire rope is ensured, therefore, the lower fixed pulley 7, the front fixed pulley 2 and the rear fixed pulley 4 are arranged, the three pulleys form a triangle, and the steel wire rope 5 sequentially penetrates through the lower fixed pulley 7, the front fixed pulley 2 and the rear fixed pulley 4 and then is fixed at the rear end of the three-conveying belt conveyor 16, so that the steel wire rope 5 is more stable and firm.
The after-poppet 3 includes two back bracing pieces 8, back pulley dead lever, backplate 10 and back pull rod 9, two back bracing pieces 8 are relative and vertical setting, two back bracing pieces 8 are located the both sides of the crossbeam of three fortune belt feeder 16, two back bracing piece 8's lower extreme all with the crossbeam bolted connection of three fortune belt feeder 16, back pulley dead lever transversely sets up, the both ends of back pulley dead lever respectively with two upper end threaded connection of back bracing piece 8, install back fixed pulley 4 on the back pulley dead lever, backplate 10 is the square, the vertical setting of backplate 10, backplate 10 fixed connection is at two back bracing pieces 8, on a lateral wall towards two fortune belt elevating conveyor 17.
Owing to need fix back fixed pulley 4 in the crossbeam department of three fortune belt feeder 16, and need be located certain height, consequently, accomplish through setting up after-poppet 3, two vertical settings of back bracing piece 8 of after-poppet 3 are in the both sides of three fortune belt feeder 16 crossbeams, and all with three crossbeam fixed connection who transports belt feeder 16, guarantee the position and the stability of back fixed pulley 4 with this, but two back bracing pieces 8 are still firm inadequately if just the lower extreme is fixed, so fix two back bracing pieces 8 through setting up backplate 10, make two back bracing pieces 8 become whole each other.
Although the rear back plate 10 is used for fixing, the two rear support rods 8 still have the problem of shaking and the like after being stressed, and therefore the rear support rods 9 and the rear pull plate 11 are arranged for fixing, the specific structure is that the rear pull plate 11 is fixedly connected to the plate surface of the rear back plate 10 facing the two-conveyor belt transfer conveyor 17, the rear pull plate 11 is L-shaped and is divided into an upper plate surface 12 and a lower plate surface 13, the free ends of the upper plate surface 12 and the lower plate surface 13 are both welded to the rear back plate 10, the opening of the rear pull plate 11 faces the rear back plate 10, a through hole is formed in the lower plate surface 13 of the rear pull plate 11, the rear pull rods 9 are obliquely arranged and form a triangle with the rear support 3 and the cross beam of the three-conveyor belt conveyor 16, one end of each rear pull rod 9 penetrates through the through hole of the lower plate surface 13 to be fixedly connected with the rear pull plate 11, and the other end of each rear pull. Make back pull rod 9, two back bracing pieces 8 and the crossbeam of fortune belt feeder 16 form triangle-shaped after setting up back arm-tie 11 and back pull rod 9, according to triangle-shaped stability, ensured the stability of back bracing piece 8.
As shown in fig. 2, the front bracket 1 comprises two front supporting rods 14, an upper pulley fixing rod, a lower pulley fixing rod and two front side plates 15, the two front supporting rods 14 are oppositely and vertically arranged, the two front supporting rods 14 are positioned at two sides of a cross beam of the two belt conveyers 17, the lower ends of the two front supporting rods 14 are both in bolted connection with the cross beam of the two belt conveyers 17, the upper pulley fixing rod is transversely arranged, two ends of the upper pulley fixing rod are respectively in threaded connection with the upper ends of the two front supporting rods 14, a front fixed pulley 2 is mounted on the upper pulley fixing rod, the lower pulley fixing rod is transversely arranged, two ends of the lower pulley fixing rod are respectively in threaded connection with the lower ends of the two front supporting rods 14, a lower fixed pulley 7 is mounted on the lower pulley fixing rod, the two front side plates 15 are rectangular, the two front side plates 15 are vertically and oppositely arranged, the two front side plates 15 are respectively positioned, and fixed by sandwiching the two front support bars 14 with bolts.
Since the front fixed pulley 2 and the lower fixed pulley 7 need to be fixed at the cross beam of the two belt conveyers 17 and need to be located at a certain height, which should be accomplished by arranging the front bracket 1, the two front support rods 14 of the front bracket 1 are vertically arranged at both sides of the cross beam of the two belt conveyers 17 and are fixedly connected with the cross beam of the two belt conveyers 17, so as to ensure the positions and stability of the front fixed pulley 2 and the lower fixed pulley 7, but the two front support rods 14 are not firm enough if only the lower ends are fixed, so the two front support rods 14 are fixed by arranging the clamping plate 19 and the bracket fixing rod 20, so that the two front support rods 14 are integrated with each other.
Although the lower end of the front support rod 14 is fixed on both sides of the cross beam of the two-conveyor belt transfer conveyor 17, the two front support rods 14 still have the problem of shaking after being stressed, therefore, the two front support rods 14 are fixed by arranging the clamping plates 19 and the support fixing rods 20, the two clamping plates 19 are parallel and vertically arranged, the two clamping plates 19 are respectively arranged on both sides of the frame of the two-conveyor belt transfer conveyor 17 and are fixed with each other through bolts, the support fixing rods 20 are fixedly connected on the clamping plates 19 close to one side of the front support 1 in the two clamping plates 19, the support fixing rods 20 are transversely arranged and are fixedly connected with the front side plates 15 close to the clamping plates 19, and the clamping plates 19 and the support fixing rods 20 are used for secondarily fixing the whole front support 1.
The middle part of the whole front bracket 1 is fixed by the clamping plate 19 and the bracket fixing rod 20, and moreover, the lower ends of the two front supporting rods 14 of the front bracket 1 are also fixed on the two sides of the beam of the two-conveyer belt loader 17, so that the lower part and the middle part of the whole front bracket 1 are stably fixed on the two-conveyer belt loader 17, and the stability of the front bracket 1 and the normal operation of the comprehensive excavating machine are ensured.
The invention can realize the automatic moving function of the cable, and can reduce the movement and the nursing of a special person behind a machine set in the production process, thereby improving the working time utilization of a heading worker and achieving the effects of reducing labor and improving efficiency.
Example 1
The method comprises the steps of firstly measuring the heights and the installation positions of a front support 1 and a rear support 3 at two ends of a second conveyor belt loader 17 of the comprehensive excavator according to conditions, fixing the front support 1 and the rear support 3 by using screw matching, using 1 steel wire rope 5 with the diameter of 18.5mm and the length of 20m after the fixing is finished, fixing one end of the steel wire rope 5 at the front end of the third conveyor belt 16, sequentially penetrating a lower fixed pulley 7, a front fixed pulley 2 and a rear fixed pulley 4 at the rear end of the third conveyor belt 16 at the other end of the steel wire rope 5, and finally knotting and fixing the steel wire rope 5 by using a rope clamp to be straight.
And then 6 hooks 6 are hung on the steel wire rope 5, the hooks 6 are well bound with the random cable by using a cable clamp, and the cable moves back and forth by using the pulley movement. When the steel wire rope 5 is tensioned, the random cable is suspended on the side face of the unit, the cable can move forwards and backwards under the traction of the unit due to the pulley, and the automatic coiling and back-and-forth movement of the cable are realized under the action of the gravity of the cable.
After the invention is used, the original 3 people nursing comprehensive excavator and cable in each shift become the existing 1 person nursing machine tail. The system saves 2 persons, calculates according to 320 yuan per worker, calculates by 6 persons every day, saves 1920 yuan every day, and saves 57600 yuan according to 30 days in the whole month.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A streamer telescoping device for a fully mechanized mining machine, comprising:
a front bracket (1) which is vertically arranged, the lower end of the front bracket is fixedly connected with the rear end of the two belt conveyer (17),
a front fixed pulley (2) fixedly connected with the upper end of the front bracket (1),
a rear bracket (3) which is vertically arranged, the lower end of the rear bracket is fixedly connected with the rear end of the three-conveyer belt conveyor (16),
a rear fixed pulley (4) fixedly connected with the upper end of the rear bracket (3),
one end of the steel wire rope (5) is fixed at the front end of the three-conveyer belt conveyor (16), the other end of the steel wire rope passes through the front fixed pulley (2) and the rear fixed pulley (4) in sequence and is fixed at the rear end of the three-conveyer belt conveyor (16),
and the hooks (6) are hung on the steel wire rope (5) and used for hanging the cable (18) so that the cable (18) moves forwards or backwards along with the roadheader.
2. The towing cable telescoping device for the fully-mechanized excavating machine is characterized in that a lower fixed pulley (7) is fixedly connected to the lower end of the front support (1), one end of the steel wire rope (5) is fixed to the front end of the three-conveyer belt (16), and the other end of the steel wire rope passes through the lower fixed pulley (7), the front fixed pulley (2) and the rear fixed pulley (4) in sequence and then is fixed to the rear end of the three-conveyer belt (16).
3. Streamer telescoping device for a fully mechanized mining machine, according to claim 2, characterized in that the rear bracket (3) comprises:
two rear supporting rods (8) which are oppositely and vertically arranged are positioned at two sides of the beam of the three-conveyor belt conveyor (16), the lower ends of the two rear supporting rods are connected with the beam of the three-conveyor belt conveyor (16) through bolts,
a rear pulley fixing rod which is transversely arranged, two ends of which are respectively in threaded connection with the upper ends of the two rear supporting rods (8), a rear fixed pulley (4) is arranged on the rear pulley fixing rod,
the rear back plate (10) is square and vertically arranged, and is fixedly connected to the two rear supporting rods (8) and one side wall facing the two belt transfer conveyors (17).
4. The towing cable telescoping device for the fully-mechanized excavating machine as claimed in claim 3, wherein a rear pulling plate (11) is fixedly connected to the plate surface of the rear back plate (10) facing the two-conveyer belt loader (17), the rear pulling plate (11) is L-shaped and consists of an upper plate surface (12) and a lower plate surface (13), the free ends of the upper plate surface (12) and the lower plate surface (13) are welded to the rear back plate (10), the opening of the rear pulling plate (11) faces the rear back plate (10), and the lower plate surface (13) of the rear pulling plate (11) is provided with a through hole,
the rear pull rod (9) is obliquely arranged and forms a triangle with the rear support rod (8) and the beam of the three-conveyor belt conveyor (16), one end of the rear pull rod penetrates through the through hole of the lower plate surface (13) to be fixedly connected with the rear pull plate (11), and the other end of the rear pull rod is fixedly connected with the beam of the three-conveyor belt conveyor (16).
5. Streamer telescoping device for a fully mechanized mining machine, according to claim 3 or 4, characterized in that the front bracket (1) comprises:
two front supporting rods (14) which are oppositely and vertically arranged are positioned at two sides of the cross beam of the two belt conveyers (17), the lower ends of the two front supporting rods are connected with the cross beam of the two belt conveyers (17) through bolts,
an upper pulley fixed rod is transversely arranged, two ends of the upper pulley fixed rod are respectively in threaded connection with the upper ends of the two front supporting rods (14), a front fixed pulley (2) is arranged on the upper pulley fixed rod,
a lower pulley fixed rod which is transversely arranged, two ends of the lower pulley fixed rod are respectively in threaded connection with the lower ends of the two front supporting rods (14), a lower fixed pulley (7) is arranged on the lower pulley fixed rod,
two front side plates (15) are rectangular, are vertically and oppositely arranged, are respectively positioned at two sides of the two front supporting rods (14), and are used for clamping the two front supporting rods (14) in the middle through bolts for fixing.
6. The streamer telescoping device for a fully mechanized mining machine of claim 5, further comprising:
two grip blocks (19), vertical and parallel preceding bracing piece (14) set up, are located the both sides of two fortune belt elevating conveyor (17) frames respectively to through the bolt reciprocal anchorage, wherein be close to fixedly connected with support dead lever (20) on grip block (19) of fore-stock (1) one side, support dead lever (20) transversely set up and with preceding curb plate (15) fixed connection who is close to grip block (19), grip block (19) and support dead lever (20) are used for carrying out the secondary to whole fore-stock (1) and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186057.7A CN112217172A (en) | 2020-10-30 | 2020-10-30 | Towing cable telescoping device for fully-mechanized excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186057.7A CN112217172A (en) | 2020-10-30 | 2020-10-30 | Towing cable telescoping device for fully-mechanized excavating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112217172A true CN112217172A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186057.7A Withdrawn CN112217172A (en) | 2020-10-30 | 2020-10-30 | Towing cable telescoping device for fully-mechanized excavating machine |
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| Country | Link |
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| CN (1) | CN112217172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899771A (en) * | 2022-06-29 | 2022-08-12 | 广东电网有限责任公司 | Cable falling-preventing protection device |
-
2020
- 2020-10-30 CN CN202011186057.7A patent/CN112217172A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899771A (en) * | 2022-06-29 | 2022-08-12 | 广东电网有限责任公司 | Cable falling-preventing protection device |
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Application publication date: 20210112 |