CN217354383U - Hydraulic full-automatic protection device for cutting gun head of heading machine - Google Patents
Hydraulic full-automatic protection device for cutting gun head of heading machine Download PDFInfo
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- CN217354383U CN217354383U CN202221440557.3U CN202221440557U CN217354383U CN 217354383 U CN217354383 U CN 217354383U CN 202221440557 U CN202221440557 U CN 202221440557U CN 217354383 U CN217354383 U CN 217354383U
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- gun head
- protective cover
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- 230000004224 protection Effects 0.000 title claims abstract description 64
- 230000008093 supporting effect Effects 0.000 claims abstract description 72
- 230000001681 protective effect Effects 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 230000001012 protector Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The utility model relates to a full-automatic protector of entry driving machine cutting big gun head hydraulic pressure relates to the entry driving machine field. Including the entry driving machine body, have the big gun head on the entry driving machine body and set up the support arm that supports the big gun head on the entry driving machine body, still include protection machanism, it includes at least: a protective cover; the position conversion supporting mechanism is arranged on the supporting arm and used for supporting the protective cover to protect the gun head through covering the protective cover; and a hydraulic drive mechanism. The protection casing through among the protection machanism protects the heading machine big gun head, and under hydraulic drive mechanism's drive, make position conversion supporting mechanism drive protection casing carry out the position conversion, and then accomplish the protection casing and protect and keep away from two position states of big gun head moving to big gun head top and change, avoid manual operation, safety and labor saving, and improve work efficiency, under the support of position conversion supporting mechanism to the protection casing, make protection casing and big gun head keep safe distance to protect, it is safer to use, convenient, high-efficient.
Description
Technical Field
The utility model relates to a entry driving machine technical field especially relates to a full-automatic protector of entry driving machine cutting big gun head hydraulic pressure.
Background
The types of the development machine are multiple: dividing the machine into a common machine and a tunnel boring machine according to an operation object; the method is divided into an open-type tunneling machine and a shield-type tunneling machine according to the operation mode. The working mode mainly comprises a walking mechanism, a working mechanism, a loading and transporting mechanism and a transferring mechanism. As the travelling mechanism advances forward, the cutting head in the working mechanism, namely the cannon head supported by the supporting arm, continuously breaks rock. Has the advantages of safety, high efficiency and the like. At present, during the second and third stage engineering construction roadway mining of a coal mine, a heading machine is important construction equipment. The running state and the safety protection of the heading machine are important management and control objects of safety production. The development machine is required to be capable of normally constructing under the condition of meeting the standard by all performance indexes. After the machine is stopped, the machine is stopped to cut off the power and protect the gun head after the rear support, the shovel plate and the gun head are landed in a 'three-step' mode, and therefore the gun head of the heading machine is prevented from being mistakenly operated to cause casualty accidents.
The cage type protective cover processed by a mesh is adopted for the existing gun head protection, after the machine is shut down, the protective cover in the cage type protective cover or other forms is lifted by workers to the gun head of the heading machine, so that the purpose of protecting the gun head is achieved, but the protective cover is too heavy, the protective cover is manually lifted in the mode, the labor is consumed, the working efficiency is influenced, certain danger is also caused, and the protective cover is externally attached to the gun head of the heading machine, if the gun head of the heading machine rotates by mistake, a cutting tooth is contacted with the protective cover, the protective cover can be twisted and damaged, the protective cover can be thrown up, the workers at the periphery can be injured, the protective cover can be more dangerous, and therefore the potential safety hazard is very large. In order to improve the above situation, a hydraulic full-automatic protection device for a cutting gun head of the heading machine needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem and providing a full-automatic hydraulic protection device for a cutting gun head of a heading machine.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a full-automatic protector of entry driving machine cutting big gun head hydraulic pressure, including the entry driving machine body, big gun head and setting have on the entry driving machine body and be in support on the entry driving machine body the support arm of big gun head still includes protection machanism, and it includes at least:
a protective cover;
the position conversion supporting mechanism is arranged on the supporting arm and used for supporting the protective cover to protect the gun head by covering the protective cover;
the hydraulic driving mechanism is arranged on the supporting arm, and the position conversion supporting mechanism drives the protective cover to convert the position under the driving of the hydraulic driving mechanism;
wherein, position conversion supporting mechanism drive the protection casing moves the conversion between two positions: firstly, the protection cover is driven to move and is converted to be covered on the gun head for protection; and the second step is to drive the protective cover to move and switch to a position far away from the gun head.
Preferably, the position conversion supporting mechanism comprises two groups of connecting rod assemblies with the same structure, and the two groups of connecting rod assemblies are symmetrically arranged on two sides of the supporting arm;
and two ends of the protective cover are correspondingly connected to the two groups of connecting rod assemblies respectively.
Preferably, each set of the connecting rod assemblies includes:
the support arm comprises a first support rod and a second support rod, wherein one end of the first support rod is hinged to the side surface of the support arm, and one end of the second support rod is hinged to the first support rod and is opposite to one end of the support arm.
Preferably, the lower surface of the protective cover is provided with a fixing ring, and the fixing ring is sleeved on the second supporting rod and is fixedly connected with the second supporting rod.
Preferably, the hydraulic drive mechanism includes:
a slide rail provided on the support arm upper surface in the support arm axis extending direction;
a moving block disposed on the sliding rail and sliding on the sliding rail;
the telescopic hydraulic cylinder is arranged on the supporting arm, and the telescopic end of the telescopic hydraulic cylinder is connected to the moving block;
two groups of second support rods in the two groups of connecting rod assemblies are symmetrically arranged on two sides of the moving block, and one end, opposite to the first support rod, of each second support rod is connected with the moving block through a hinge.
Preferably, when the protective cover moves and is converted into a state of covering the cannon head for protection, the second supporting rod is in a state of being parallel to the supporting arm; when the protective cover is moved to be converted into a state of being away from the position of the gun head, the second supporting rod is in a state of being parallel to the supporting arm.
Preferably, each group of connecting rod assemblies further comprises a first limiting column and a second limiting column, and the first limiting column and the second limiting column are arranged on the side surface of the supporting arm;
when the protective cover is moved and converted into a state of covering the gun head for protection, the first supporting rod cannot rotate continuously under the limit of the first limiting column, and the second supporting rod is in a state of being parallel to the supporting arm; when the protective cover is moved to be converted to a state of being far away from the position of the gun head, the first supporting rod cannot rotate continuously under the limit of the second limiting column, and the second supporting rod is enabled to be in a state of being parallel to the supporting arm.
In the technical scheme, the utility model provides a pair of full-automatic protector of entry driving machine cutting big gun head hydraulic pressure has following beneficial effect:
the protection casing through among the protection machanism protects the heading machine big gun head, and under hydraulic drive mechanism's drive, make position conversion supporting mechanism drive protection casing carry out the position conversion, and then accomplish the protection casing and protect and keep away from two position states of big gun head moving to big gun head top and change, avoid manual operation, safety and labor saving, and improve work efficiency, under the support of position conversion supporting mechanism to the protection casing, make protection casing and big gun head keep safe distance to protect, it is safer to use, convenient, high-efficient.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a hydraulic full-automatic protection device for a cutting gun head of a heading machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating the movement conversion of a protective cover of a hydraulic full-automatic protective device for a cutting gun head of a heading machine according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating that a protective cover of a hydraulic full-automatic protective device for a cutting gun head of a heading machine provided by an embodiment of the invention is moved to a position far away from the gun head;
fig. 4 is a top view of the hydraulic full-automatic protection device for the cutting gun head of the heading machine provided by the embodiment of the utility model.
Description of reference numerals:
1. a heading machine body; 2. a gun head; 3. a support arm; 4. a protective cover; 5. a first support bar; 6. a second support bar; 7. a fixing ring; 8. a sliding track; 9. a moving block; 10. a telescopic hydraulic cylinder; 11. a first limit post; 12. a second limit post.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
Referring to fig. 1-4, a hydraulic fully-automatic protection device for cutting the monitor head of a heading machine comprises a heading machine body 1, wherein the heading machine body 1 is provided with a monitor head 2 and a support arm 3 arranged on the heading machine body 1 for supporting the monitor head 2, the heading machine body 1 is a current heading machine, and is provided with a monitor head 2 and a support arm 3 for supporting the monitor head 2, the structure of the hydraulic fully-automatic protection device is a structure common to most heading machines in the market and is common general knowledge well known to technical workers in the field, and the hydraulic fully-automatic protection device is not described herein any more and further comprises a protection mechanism, and the protection mechanism at least comprises:
a protective cover 4;
a position conversion supporting mechanism which is arranged on the supporting arm 3 and is used for supporting the protective cover 4 to protect the gun head 2 by covering the protective cover;
the hydraulic driving mechanism is arranged on the supporting arm 3 and drives the position conversion supporting mechanism to drive the protective cover 4 to convert the position under the driving of the hydraulic driving mechanism;
wherein, the position conversion supporting mechanism drives the protection cover 4 to move and convert between two positions: firstly, the protective cover 4 is driven to move and is converted to be covered on the gun head 2 for protection; secondly, the protective cover 4 is driven to move and switch to a position far away from the gun head 2,
wherein, the gun head 2 supported by the supporting arm 3 can move telescopically under the drive of a hydraulic cylinder of the heading machine body 1, so that the protection mechanism arranged on the supporting arm 3, namely a protection cover 4, a position conversion supporting mechanism and a hydraulic drive mechanism which are included by the protection mechanism, can synchronously move along with the supporting arm 3 and the gun head 2 under the drive of the hydraulic cylinder, or the hydraulic cylinder and the protection mechanism are arranged on the supporting arm 3, only the gun head 2 moves telescopically relative to the hydraulic cylinder and the protection mechanism under the drive of the hydraulic cylinder and carries out specific excavation work, the specific implementation mode design can be carried out according to the specific heading machine model and structure, the protection cover 4 moves to the upper part of the gun head 2 to shield only when the gun head 2 does not work, and the protection cover 4 can be an arc-shaped plate-shaped structure which shields the upper part of the gun head 2 and only shields a half area of the gun head 2, or an arc cover body structure for covering a larger area of the gun head 2, and when the protective cover 4 is designed into the arc cover body structure, the protective cover 4 can be provided with an opening structure for avoiding the supporting arm 3 when being retracted to a state far away from the gun head 2.
To sum up, the protection casing through among the protection machanism protects the heading machine big gun head to under hydraulic drive mechanism's drive, make position conversion supporting mechanism drive protection casing carry out the position conversion, and then accomplish the protection casing and protect and keep away from two position states of big gun head moving to big gun head top and change, avoid manual operation, it is safe laborsaving, and improve work efficiency, under the support of position conversion supporting mechanism to the protection casing, make protection casing and big gun head keep safe distance to protect, it is safer, convenient, high-efficient to use.
Furthermore, the position conversion supporting mechanism comprises two groups of connecting rod assemblies with the same structure, and the two groups of connecting rod assemblies are symmetrically arranged on two sides of the supporting arm 3;
two ends of the protective cover 4 are correspondingly connected to the two groups of connecting rod assemblies respectively.
Further, each group link assembly all includes:
the support arm comprises a first support rod 5 and a second support rod 6, wherein one end of the first support rod 5 is hinged on the side surface of the support arm 3, and one end of the second support rod 6 is hinged with one end, opposite to the support arm 3, of the first support rod 5. That is, the first support bar 5 can rotate relative to the support arm 3, and relative rotation can be performed between the first support bar 5 and the second support bar 6.
Further, the lower surface of the protective cover 4 is provided with a fixing ring 7, and the fixing ring 7 is sleeved on the second support rod 6 and is fixedly connected with the second support rod 6. That is, the protection cover 4 is connected to the second support rod 6 through the fixing ring 7, and the protection cover 4 is driven to move synchronously when moving on the second support rod 6.
Further, the hydraulic drive mechanism includes:
a slide rail 8 provided on an upper surface of the support arm 3 in an axial extending direction of the support arm 3;
a moving block 9 provided on the slide rail 8 and sliding on the slide rail 8;
the telescopic hydraulic cylinder 10 is arranged on the supporting arm 3, and the telescopic end of the telescopic hydraulic cylinder 10 is connected to the moving block 9;
two groups of second support rods 6 in the two groups of connecting rod assemblies are symmetrically arranged on two sides of the moving block 9, and one end, opposite to the first support rod 5, of each second support rod 6 is connected with the moving block 9 through hinges.
Specifically, the movable block 9 is driven by the telescopic hydraulic cylinder 10 to move along the sliding track 8, the movable block 9 is driven to move to drive the second support rod 6 connected with the movable block to move, and then the protective cover 4 is driven to move and convert between two positions under the supporting action of the connecting rod between the first support rod 5 and the second support rod 6.
Further, the specific form of the moving and converting of the protective cover 4 between the two positions is as follows: when the protective cover 4 is moved and converted into a state of covering the gun head 2 for protection, the second support rod 6 is in a state of being parallel to the support arm 3; the second support bar 6 is in a state of being parallel to the support arm 3 when the shield 4 is moved to a state of being shifted to a position away from the gun head 2.
Furthermore, each group of connecting rod assemblies also comprises a first limiting column 11 and a second limiting column 12, and the first limiting column 11 and the second limiting column 12 are arranged on the side surface of the supporting arm 3; namely, the first limiting column 11 and the second limiting column 12 play a role in limiting the rotation of the first supporting rod 5, namely, limiting the movement of the protective cover 4;
under the restriction of the first limiting column 11 and the second limiting column 12 on the movement of the protection cover 4, the specific form of the movement conversion of the protection cover 4 between two positions is as follows: when the protective cover 4 is moved and converted into a state of covering the gun head 2 for protection, the first support rod 5 cannot continuously rotate under the limit of the first limit column 11, and the second support rod 6 is in a state of being parallel to the support arm 3; when the protective cover 4 is moved and converted to a state of being away from the position of the gun head 2, the first support rod 5 can not rotate continuously under the limit of the second limit column 12, and the second support rod 6 is in a state of being parallel to the support arm 3.
To sum up, the protective cover in the protective mechanism protects the heading machine bit, and under the drive of the hydraulic driving mechanism, the position conversion supporting mechanism drives the protective cover to perform position conversion, so that the protective cover is moved above the heading machine bit to be protected and two position states of the heading machine bit are kept away from the heading machine bit to be converted, manual operation is avoided, safety and labor are saved, dangers caused by manual operation are avoided, working efficiency is improved, under the support of the position conversion supporting mechanism on the protective cover, the protective cover and the heading machine bit are kept at a safe distance to be protected, cutting teeth caused by mistaken rotation of the heading machine bit are prevented from contacting the protective cover, potential safety hazards are avoided, and the use is safer, more convenient and more efficient.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.
Claims (7)
1. The utility model provides a full-automatic protector of entry driving machine cutting big gun head hydraulic pressure, includes entry driving machine body (1), have big gun head (2) and set up on entry driving machine body (1) and be in support arm (3) of big gun head (2) on entry driving machine body (1), its characterized in that still includes protection machanism, and it includes at least:
a protective cover (4);
the position conversion supporting mechanism is arranged on the supporting arm (3) and used for supporting the protective cover (4) to protect the gun head (2) through covering;
the hydraulic driving mechanism is arranged on the supporting arm (3), and the position conversion supporting mechanism drives the protective cover (4) to convert the position under the driving of the hydraulic driving mechanism;
wherein, the position conversion supporting mechanism drives the protective cover (4) to move and convert between two positions: firstly, the protective cover (4) is driven to move and is converted to be covered on the gun head (2) for protection; and the second step is to drive the protective cover (4) to move and switch to a position far away from the gun head (2).
2. The hydraulic full-automatic protection device for the cutting gun head of the heading machine according to claim 1, wherein the position conversion support mechanism comprises two groups of connecting rod assemblies with the same structure, and the two groups of connecting rod assemblies are symmetrically arranged on two sides of the support arm (3);
and two ends of the protective cover (4) are correspondingly connected to the two groups of connecting rod assemblies respectively.
3. The hydraulic full-automatic protection device for the cutting gun head of the heading machine according to claim 2, wherein each group of the connecting rod assemblies comprises:
first bracing piece (5) and second bracing piece (6), first bracing piece (5) one end hinged joint be in support arm (3) side surface, the one end of second bracing piece (6) with be in a reverse direction on first bracing piece (5) the one end hinged joint of support arm (3).
4. The hydraulic full-automatic protection device for the cutting gun head of the heading machine according to claim 3, wherein a fixing ring (7) is arranged on the lower surface of the protection cover (4), and the fixing ring (7) is sleeved on the second support rod (6) and is fixedly connected with the second support rod (6).
5. The hydraulic full-automatic protection device for the cutting gun head of the heading machine according to claim 3, wherein the hydraulic driving mechanism comprises:
a sliding rail (8) arranged on the upper surface of the supporting arm (3) along the axial extension direction of the supporting arm (3);
a moving block (9) that is provided on the slide rail (8) and slides on the slide rail (8);
the telescopic hydraulic cylinder (10) is arranged on the supporting arm (3), and the telescopic end of the telescopic hydraulic cylinder (10) is connected to the moving block (9);
two groups of second supporting rods (6) in the two groups of connecting rod assemblies are symmetrically arranged on two sides of the moving block (9), and one end, opposite to the first supporting rod (5), of each second supporting rod (6) is connected with the moving block (9) through a hinge.
6. A hydraulic fully automatic protection device for the cutting gun head of a heading machine according to claim 3, characterized in that when the protection cover (4) is moved to be switched to the state of being covered on the gun head (2), the second support rod (6) is in the state of being parallel to the support arm (3); when the protective cover (4) is moved to be converted into a state of being away from the position of the gun head (2), the second supporting rod (6) is in a state of being parallel to the supporting arm (3).
7. The hydraulic full-automatic protection device for the cutting gun head of the heading machine according to claim 3, wherein each group of connecting rod assemblies further comprises a first limiting column (11) and a second limiting column (12), and the first limiting column (11) and the second limiting column (12) are arranged on the side surface of the supporting arm (3);
when the protective cover (4) is moved and converted into a state of covering the gun head (2) for protection, the first support rod (5) cannot rotate continuously under the limit of the first limit column (11), and the second support rod (6) is in a state of being parallel to the support arm (3); when the protective cover (4) moves to a state of being far away from the gun head (2), the first supporting rod (5) cannot rotate continuously under the limit of the second limit column (12), and the second supporting rod (6) is in a state of being parallel to the supporting arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221440557.3U CN217354383U (en) | 2022-06-09 | 2022-06-09 | Hydraulic full-automatic protection device for cutting gun head of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221440557.3U CN217354383U (en) | 2022-06-09 | 2022-06-09 | Hydraulic full-automatic protection device for cutting gun head of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354383U true CN217354383U (en) | 2022-09-02 |
Family
ID=83016190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221440557.3U Expired - Fee Related CN217354383U (en) | 2022-06-09 | 2022-06-09 | Hydraulic full-automatic protection device for cutting gun head of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354383U (en) |
-
2022
- 2022-06-09 CN CN202221440557.3U patent/CN217354383U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220902 |