CN214366155U - Fixing device for hydraulic support pushing rod connector - Google Patents

Fixing device for hydraulic support pushing rod connector Download PDF

Info

Publication number
CN214366155U
CN214366155U CN202120360971.2U CN202120360971U CN214366155U CN 214366155 U CN214366155 U CN 214366155U CN 202120360971 U CN202120360971 U CN 202120360971U CN 214366155 U CN214366155 U CN 214366155U
Authority
CN
China
Prior art keywords
groove
pushing
base groove
base
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120360971.2U
Other languages
Chinese (zh)
Inventor
代保保
王卫忠
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Coal Mining Hancheng Mining Co Ltd
Original Assignee
Shaanxi Coal Mining Hancheng Mining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Coal Mining Hancheng Mining Co Ltd filed Critical Shaanxi Coal Mining Hancheng Mining Co Ltd
Priority to CN202120360971.2U priority Critical patent/CN214366155U/en
Application granted granted Critical
Publication of CN214366155U publication Critical patent/CN214366155U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The utility model relates to a fixing device of a connector of a pushing rod of a hydraulic support, which comprises a hydraulic pushing rod and a pushing groove; the connecting head of the hydraulic pushing rod is arranged in a groove at the end part of the pushing groove through a pin shaft; the pushing groove is arranged in the base groove, and a pair of first stop strips is arranged on the inner side wall of the base groove above the pushing groove; a pair of second barrier strips is arranged on the outer side wall of the pushing groove corresponding to the first barrier strip; the first blocking strip and the second blocking strip are used for preventing the pushing groove from being pulled out of the base groove under the pulling action of the hydraulic pushing rod; and a pair of pin rods used for pressing the pin shafts are arranged above the pin shafts on two sides of the connecting head of the hydraulic pushing rod, and the pin rods are arranged on the supporting seat. The utility model discloses the improvement scheme is simple, convenient, with low costs, has effectively reduced the problem that the groove was picked up out to the push rod afterbody when very heavy pulling moves, has improved the reliability that equipment used.

Description

Fixing device for hydraulic support pushing rod connector
Technical Field
The utility model relates to a mine instrument especially relates to a hydraulic support passes pole.
Background
The top coal caving hydraulic support is used for supporting and caving coal equipment of a fully mechanized mining working face of a thick coal seam, and is suitable for mining of the thick coal seam and an extra-thick coal seam and mining of a steeply inclined thick coal seam; the roof can be effectively supported and managed, roof caving is controlled, and a goaf is isolated; the front scraper conveyor and the rear scraper conveyor can be pushed to move forwards and pushed to move backwards; the device is matched with a coal mining machine, a conveyor and other devices for use, and the mechanization of a coal mining working face is realized. Meanwhile, the method plays an important role in improving work efficiency, increasing yield, ensuring safety of personnel and equipment, reducing labor intensity and the like.
On a stope face, a ZF4800-14/28 hydraulic support pushing rod is used to cause slot jamming and damage to the hydraulic support pushing rod. Looking over through field operation many times, when discovering pushing face scraper-trough conveyer aircraft nose or tail at the end support, the pushing groove stretches out to push away the swift current and will appear blocking phenomenon, need multiple operation to make the pushing rod stretch out and withdraw and just can accomplish to push away the swift current, because support pushing rod connector department atress, make the pushing rod afterbody jack out the groove when very heavy pulling is moved, will lead to pushing rod card to die or damage when the plot is serious, need artifical change to handle and damage the push rod, because end support pushing rod length is very big when 2.25 meters are changed the degree of difficulty, bring very big inconvenience for work.
Disclosure of Invention
An object of the utility model is to avoid prior art's not enough to provide a simple structure, convenient to use's hydraulic support passes the fixing device of pole connector.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fixing device for a connector of a pushing rod of a hydraulic support comprises a hydraulic pushing rod and a pushing groove; the connecting head of the hydraulic pushing rod is arranged in a groove at the end part of the pushing groove through a pin shaft; the pushing groove is arranged in the first base groove;
the pushing groove is arranged in the second base groove, and a pair of first stop strips is arranged on the inner side wall of the second base groove above the pushing groove; a pair of second barrier strips is arranged on the outer side wall of the pushing groove corresponding to the first barrier strip; the first blocking strip and the second blocking strip are used for preventing the pushing groove from being pulled out of the second base groove under the pulling action of the hydraulic pushing rod; the second base groove is arranged at the end part of the first base groove;
and a pair of pin rods used for pressing the pin shafts are arranged above the pin shafts on two sides of the connecting head of the hydraulic pushing rod, and the pin rods are arranged on the supporting seat.
Furthermore, the supporting seat is a pair of supporting blocks arranged on two sides of the pin shaft, the pin rod is fixedly arranged on the pair of supporting blocks in a penetrating manner, and the pair of supporting blocks are fixedly arranged in the pushing groove.
Furthermore, the first stop strip extend and set up the second base inslot, just first stop strip and second base groove set up as an organic whole.
Furthermore, first stop the strip on be equipped with two at least strengthening ribs, the strengthening rib extend to set up on the inner wall in second base groove, and with first stop the strip perpendicular setting.
Further, the second stop strip for the welding pass the circular steel tube on the groove outer wall, the length of circular steel tube is 200 ~ 300mm, the pipe diameter is 20 ~ 30mm, the clearance between circular steel tube and the second base groove is 10 ~ 20 mm.
Furthermore, an oil film for lubrication is arranged between the round steel tube and the second base groove.
Furthermore, a sliding groove with a rectangular section is arranged on the connecting surface of the first base groove and the second base groove, and a clamping groove with an inverted trapezoidal section is arranged below the sliding groove;
the T-shaped fixture block is arranged on the connecting surface of the second base groove and the first base groove, a vertical block of the T-shaped fixture block is matched with the sliding groove, a transverse bottom block of the T-shaped fixture block is clamped in the trapezoidal clamping groove, and a supporting clamp matched with the groove is arranged in a clamping groove cavity below the transverse bottom block.
Furthermore, the second base groove is provided with a connecting nose for assembling and disassembling the second base groove.
The utility model has the advantages that: the utility model discloses the improvement scheme is simple, convenient, with low costs, has effectively reduced the problem that the groove was picked up out to the push rod afterbody when very heavy pulling moves, has strengthened the intensity of connecting the pin pole, reduces safety, intensity of labour of mine personnel in process of production and to the spoilage of equipment, has ensured safety in production, has improved the reliability that equipment used, still practices thrift about 3 ten thousand yuan for production.
Drawings
Fig. 1 is a schematic top view of embodiment 1 of the present invention;
fig. 2 is a schematic front view of embodiment 1 of the present invention;
fig. 3 is a schematic view of a connecting surface structure of the second base groove in embodiment 2 of the present invention;
fig. 4 is a schematic view of the connection surface structure of the first base groove in embodiment 2 of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In the stope face in the pit, use ZF4800-14/28 hydraulic support push rod and often appear going out the groove card and hinder the phenomenon, lead to push rod card to die or damage, because end support push rod length is very big again at the degree of difficulty when 2.25 meters are changed, brought inconvenience for stope work, the utility model discloses a match the strip that blocks that sets up on base groove and push groove, simply, low cost's this problem of having solved, simultaneously, adopt a pair of pin 5 to increase the intensity of the connector round pin axle of hydraulic push rod, effectively increased connector intensity, increased hydraulic push rod 2's life.
Example 1: as shown in fig. 1, a fixing device for a connector of a pushing rod of a hydraulic support comprises a hydraulic pushing rod 2 and a pushing groove 1; the connector 21 of the hydraulic pushing rod 2 is arranged in the groove at the end part of the pushing groove 1 through a pin shaft 3; the pushing groove 1 is arranged in the first base groove 6;
the pushing groove 1 is arranged in the second base groove 4, and a pair of first blocking strips 41 are arranged on the inner side wall of the second base groove 4 above the pushing groove 1; a pair of second stop bars 42 are arranged on the outer side wall of the pushing groove 1 corresponding to the first stop bar 41; the first blocking strip 41 and the second blocking strip 42 are used for preventing the push groove 1 from being pulled out of the second base groove 4 under the pulling and moving action of the hydraulic push rod 2; the first blocking strip 41 extends into the second base groove 4, and the first blocking strip 41 and the second base groove 4 are integrally arranged. The first blocking strip 41 is provided with at least two reinforcing ribs 43, and the reinforcing ribs 43 extend to be arranged on the inner wall of the second base groove 4 and are perpendicular to the first blocking strip 41. The second base groove 4 is arranged at the end part of the first base groove 6;
the second stop strip 42 is a circular steel tube welded on the outer wall of the pushing groove 1, the length of the circular steel tube is 200-300 mm, and the pipe diameter is 20-30 mm. The clearance between circular steel tube and second base groove 4 is 10 ~ 20 mm.
A pair of pin rods 5 for pressing the pin shafts 3 are arranged above the pin shafts 3 on two sides of the connecting head 21 of the hydraulic pushing rod 2, and the pin rods 5 are arranged on a supporting seat 52. The supporting seat 52 is a pair of supporting blocks disposed at both sides of the pin shaft 3, the pin rod 5 is fixed on the pair of supporting blocks in a penetrating manner, and the pair of supporting blocks is fixedly disposed in the pushing groove 1.
The second base groove 4 is provided with a connecting nose 44 for assembling and disassembling the second base groove 4.
The utility model discloses in the working face of recovering in the pit, when pushing away the swift current operation, when hydraulic pressure push rod 2 received the push-pull power, second stop bar 42 can the chucking on first stop bar 41, guarantee that push groove 1 can not pick out second base groove 4 under the pulling and moving effect of hydraulic pressure push rod 2, guaranteed the safety of production, be equipped with strengthening rib 43 on first stop bar 41, increased the dynamics of stopping of first stop bar 41; meanwhile, a pin rod is fixed above the pin shaft 3, so that the strength of the pin shaft is increased, and the service life of the pin shaft is prolonged.
Example 2, the same as example 1, except that: a sliding groove 61 with a rectangular section is arranged on the connecting surface of the first base groove 6 and the second base groove 4, and a clamping groove 62 with an inverted trapezoidal section is arranged below the sliding groove 61;
a T-shaped fixture block 45 is arranged on the connecting surface of the second base groove 4 and the first base groove 6, a vertical block of the T-shaped fixture block 45 is matched with the sliding groove 61, a transverse bottom block of the T-shaped fixture block 45 is clamped in the trapezoidal clamping groove 62, and a supporting clamp matched with the cavity is arranged in a cavity of the clamping groove 62 below the transverse bottom block.
In order to further increase the intensity of removal rod end portion, so the utility model discloses a spout 61 and trapezoidal draw-in groove 62 and T shape fixture block 45 and support the fastener cooperation and accomplish, also made things convenient for the installation of second kerve 4 simultaneously, when installing second kerve 4, the connection nose 44 is hoisted, and the UNICOM passageway through spout 61 and trapezoidal draw-in groove 62 installs T shape fixture block 45 in spout 61 and chucking, and the reuse supports the fastener chucking, accomplishes the installation promptly.
Example 3: the same as in example 1, except that: the second stop strip 42 is a circular steel tube welded on the outer wall of the pushing groove 1, the length of the circular steel tube is 20mm, and the pipe diameter of the circular steel tube is 20 mm. The clearance between the circular steel tube and the second base groove 4 is 20 mm.
Embodiment 4 is the same as embodiment 3, except that the second stopper 42 is a circular steel tube welded to the outer wall of the pushing groove 1, and the circular steel tube has a length of 300mm and a tube diameter of 30 mm. The clearance between the circular steel tube and the second base groove 4 is 10 mm.
Embodiment 5 is the same as embodiment 3 except that the second stopper 42 is a circular steel tube welded to the outer wall of the push groove 1, and the circular steel tube has a length of 250mm and a tube diameter of 25 mm. The clearance between the circular steel tube and the second base groove 4 is 15 mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. A fixing device for a connector of a pushing rod of a hydraulic support is characterized by comprising a hydraulic pushing rod (2) and a pushing groove (1); the connector (21) of the hydraulic pushing rod (2) is arranged in the groove at the end part of the pushing groove (1) through a pin shaft (3); the pushing groove (1) is arranged in the first base groove (6);
the pushing and pushing device is characterized by further comprising a second base groove (4), the pushing and pushing groove (1) is installed in the second base groove (4), and a pair of first blocking strips (41) are arranged on the inner side wall of the second base groove (4) above the pushing and pushing groove (1); a pair of second stop bars (42) is arranged on the outer side wall of the pushing groove (1) corresponding to the first stop bar (41); the first blocking strip (41) and the second blocking strip (42) are used for preventing the pushing groove (1) from jumping out of the second base groove (4) under the pulling and moving action of the hydraulic pushing rod (2); the second base groove (4) is arranged at the end part of the first base groove (6);
a pair of pin rods (51) used for pressing the pin shafts (3) are arranged above the pin shafts (3) on two sides of a connector (21) of the hydraulic pushing rod (2), and the pin rods (51) are installed on a supporting seat (52).
2. The fixing device of the hydraulic support pushing rod connector according to claim 1, wherein the supporting seat (52) is a pair of supporting blocks arranged at both sides of the pin shaft (3), the pin rod (51) is fixed on the pair of supporting blocks in a penetrating way, and the pair of supporting blocks are fixedly arranged in the pushing groove (1).
3. The fixing device of the hydraulic support sliding rod joint according to claim 1, wherein the first blocking strip (41) is extended and arranged in the second base groove (4), and the first blocking strip (41) and the second base groove (4) are integrally arranged.
4. The fixing device of the hydraulic support pushing rod connector of claim 2, wherein at least two reinforcing ribs (43) are arranged on the first stop bar (41), and the reinforcing ribs (43) are extended and arranged on the inner wall of the second base groove (4) and are arranged perpendicular to the first stop bar (41).
5. The fixing device for the connecting head of the pushing rod of the hydraulic support according to claim 1, wherein the second stop bar (42) is a circular steel tube welded on the outer wall of the pushing groove (1), the circular steel tube has a length of 200-300 mm and a diameter of 20-30 mm, and the gap between the circular steel tube and the second base groove (4) is 10-20 mm.
6. The fixing device for the connecting head of the pushing rod of the hydraulic support as claimed in claim 5, characterized in that an oil film for lubrication is further arranged between the round steel tube and the second base groove (4).
7. The fixing device for the connecting head of the pushing rod of the hydraulic support as claimed in claim 1, characterized in that a sliding groove (61) with a rectangular cross section is arranged on the connecting surface of the first base groove (6) and the second base groove (4), and a clamping groove (62) with an inverted trapezoidal cross section is arranged below the sliding groove (61);
the T-shaped clamping block (45) is arranged on the connecting surface of the second base groove (4) and the first base groove (6), a vertical block of the T-shaped clamping block (45) is matched with the sliding groove (61), a transverse bottom block of the T-shaped clamping block (45) is clamped in the trapezoidal clamping groove (62), and a supporting clamping piece matched with the cavity is arranged in a cavity of the clamping groove (62) below the transverse bottom block.
8. A fixing device for a hydraulic support push rod attachment according to any one of claims 1-7, characterised in that a connecting nose (44) for mounting and dismounting the second base groove (4) is provided on the second base groove (4).
CN202120360971.2U 2021-02-09 2021-02-09 Fixing device for hydraulic support pushing rod connector Active CN214366155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120360971.2U CN214366155U (en) 2021-02-09 2021-02-09 Fixing device for hydraulic support pushing rod connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120360971.2U CN214366155U (en) 2021-02-09 2021-02-09 Fixing device for hydraulic support pushing rod connector

Publications (1)

Publication Number Publication Date
CN214366155U true CN214366155U (en) 2021-10-08

Family

ID=77965509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120360971.2U Active CN214366155U (en) 2021-02-09 2021-02-09 Fixing device for hydraulic support pushing rod connector

Country Status (1)

Country Link
CN (1) CN214366155U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879060A (en) * 2021-02-09 2021-06-01 陕西陕煤韩城矿业有限公司 Fixing device for hydraulic support pushing rod connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879060A (en) * 2021-02-09 2021-06-01 陕西陕煤韩城矿业有限公司 Fixing device for hydraulic support pushing rod connector
CN112879060B (en) * 2021-02-09 2024-06-14 陕西陕煤韩城矿业有限公司 Fixing device for hydraulic support pushing rod connector

Similar Documents

Publication Publication Date Title
CN106837392B (en) Tunnel gantry type multifunctional supporting trolley
CN101666230B (en) Coal mining method of lengthened front-beam fully-mechanized mining and fully-mechanized top coal carving of three-soft coal seam and equipment
CN104675422B (en) The hydraulic means of coal mine roadway temporary support for drivage face
CN214366155U (en) Fixing device for hydraulic support pushing rod connector
CN104047630B (en) A kind of fully-mechanized mining working mechanization mounting process method
CN111425213A (en) In-tunnel rollback method for rock pipe jacking machine
CN114542153A (en) Mounting and dismounting device and mounting and dismounting method for mining hydraulic support
CN105422149A (en) Quick anchorage remover
CN112879060A (en) Fixing device for hydraulic support pushing rod connector
CN112389953A (en) Lifting baffle plate assembly for gangue backfill scraper conveyor
CN202228092U (en) Hydraulic support disassembling device
CN107826664B (en) Belt conveyor tail large-span supporting and fast moving method for coal mine main transportation system
CN215108910U (en) Air-propelled station-crossing counterforce device of double-shield TBM (tunnel boring machine)
CN111322092B (en) Geological exploration mine hole construction method
CN216197831U (en) Colliery rescue device that comes to roof in pit
CN216617576U (en) Self-moving belt conveyor tail
CN210365700U (en) Belt conveying device for matched reversed loader of underground fully-mechanized excavating machine
CN213510499U (en) Automatic advancing device of hand-held drilling machine
CN214651178U (en) Efficient extension device for belt conveyor of coal mine underground quick excavation system
CN112593872B (en) Full-automatic pin mounting mechanism of plug-in type spiral drill rod
CN218175441U (en) Ground roll device of mine hoisting winch way
CN210418502U (en) Self-moving plate unloading device for fully-mechanized mining hydraulic support
CN111911215B (en) Hydraulic support withdrawing method suitable for length reduction of fully mechanized caving face
CN217642643U (en) Cable moving device
CN212837945U (en) Mining elevating conveyor self-moving device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant