CN202391439U - Movable chuck for connecting U-shaped steel bracket with single hydraulic prop - Google Patents
Movable chuck for connecting U-shaped steel bracket with single hydraulic prop Download PDFInfo
- Publication number
- CN202391439U CN202391439U CN2011204736389U CN201120473638U CN202391439U CN 202391439 U CN202391439 U CN 202391439U CN 2011204736389 U CN2011204736389 U CN 2011204736389U CN 201120473638 U CN201120473638 U CN 201120473638U CN 202391439 U CN202391439 U CN 202391439U
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- China
- Prior art keywords
- steel bracket
- hydraulic prop
- masking sheet
- shape steel
- base
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- Expired - Fee Related
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Abstract
The utility model relates to a movable chuck for connecting a U-shaped steel bracket with a single hydraulic prop, which can effectively solve the problems that the connection of the single hydraulic prop and the U-shaped steel bracket is poor, so that the slippage occurs easily, potential safety hazard exists, the workload is heavy, the cost is high and the resources are wasted. The technical scheme provided the utility model for solving the problems is as follows: the movable chuck comprises a chuck body, a masking sheet and a base. The chuck body is composed of a straight body and a U-shaped groove at the upper part, the two sidewalls of the straight body is provided with two communicating round through holes by which the straight body is connected with the base at the lower part, and the U-shaped groove is fixed together with the upper masking sheet. The movable chuck disclosed by the utility model is convenient for use and easy to install, achieves good connection effect, occupies small space of the roadway, replaces and saves other unnecessary materials, provides a lot of conveniences for the safety and production of the downhole, and realizes stable and effective shoring.
Description
Technical field
The utility model relates to the movable deck of a kind of U of connection shape steel bracket and hydraulic prop.
Background technology
In the pit mining process; Adopting tunnel majority of U shape steel bracket be semicircular arch or basket handle arch, arch radius 2 ~ 3m, U shape steel bracket radius in the supporting process because of at geological structure or adopt and move under the influence of usefulness; The U shape steel bracket receives around the tunnel rock stratum to the effect of its mine pressure that increases suddenly, concentrates; Can cause cradle portion to be crushed in this case, the tunnel produces distortion, even causes human casualty accident.Secondly; Present many collieries adopt hydraulic prop to be used as adding strong supporting, but hydraulic prop uses many on monomer column length beam vertically to be connected with U shape steel bracket junction, and fix with iron chains, reinforcing bar; Between long like this beam and the U shape steel bracket and can not be good between long beam and the hydraulic prop engage; Not only contact surface is little but also possibly slide, so the pressure that support bears almost decomposes less than on the hydraulic prop weak effect.In addition, above-mentionedly mention the joint method that adds strong supporting, cause under the coal mine coal-face advance support constantly to be replaced with trapezoidal wooden support and lift canopy from the U shape steel bracket because effect is too poor; So not only workload is big; Dangerous big, cost is high, and has wasted precious timber.
Summary of the invention
To above-mentioned situation; For overcoming the prior art defective; The purpose of the utility model just provides the movable deck of a kind of U of connection shape steel bracket and hydraulic prop, can effectively solve hydraulic prop and engage weak effect with the U shape steel bracket, the easy slip; Exist potential safety hazard and workload big, the high and waste problem of resource of cost.
The technical scheme that the utility model solves is; Comprise deck body, masking sheet and base; The deck body is that the U type groove by stretched and top constitutes; The manhole that is interconnected is arranged on the two side of stretched, and stretched links together through the base of manhole and bottom, and the masking sheet of U type groove and top is fixed together.
The utility model is easy to use, be prone to install, good connecting effect, it is little to take lane space, alternative with practice thrift other unnecessary materials, for the down-hole safe, produce and bring many convenience, and make supporting stable with effectively.
Description of drawings
Fig. 1 is the structural front view of the utility model.
Fig. 2 is the structure side view of the utility model.
Fig. 3 is the structure vertical view of the utility model.
Fig. 4 is the structure upward view of the utility model.
Fig. 5 is installed in the structural representation of U shape steel bracket arch for the utility model.
Fig. 6 is installed in the structural representation of U shape steel bracket arch and shank joint for the utility model.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the utility model.
Provide by Fig. 1-Fig. 6; The utility model comprises deck body, masking sheet and base; The deck body is that the U type groove 4b by stretched 4a and top constitutes; The manhole that is interconnected is arranged on the two side of stretched, and stretched links together through the base 7 of manhole and bottom, and the masking sheet 1 of U type groove and top is fixed together.
Described stretched 4a is a cross section platysome triangular in shape, and leg-of-mutton both sides are respectively aduncate arc; The width and the equal in length of the bottom of the top of described stretched 4a and U type groove 4b; Described masking sheet 1 is a strip, has 2 at least, is distributed on the top of U type groove; The both sides of described U type groove 4b have respectively and the corresponding arc convex body 9 in masking sheet two ends, and the arc raised line 8 that places the arc convex body inboard is arranged on the both sides of the edge of U type groove, and arc convex body and masking sheet are fixed together through masking sheet bolt 2 and masking sheet nut 3; Described base 7 is the curved plate body in cross section, in fluted, groove is stuck on the stretched central circular through hole; Axle bolt 5 passes manhole and by spindle nut 6 base and stretched is linked together; On four jiaos of the bottoms of base boss 10 is arranged, it is movable up and down that base with the axle bolt is that the axle center is, and the base bottom closely engages with the top cover of hydraulic prop 12; Make the adjustment of angle according to the suffered pressure of support, realize the strong supporting that adds of optimum state.
Can know by said structure; The utility model deck can be well from the bottom engaging U shaped steel of corresponding U shape steel bracket; Can deck and U shape steel bracket be fastened togather at any position tightly through masking sheet, masking sheet bolt and masking sheet nut, the U type groove of deck body engages the U shape steel bracket tightly, manhole of design on the stretched under the U type groove; Stretched and U type groove are fixed together; Constitute the deck body, axle bolt, nut are chained together axle bed (claiming base again, as follows) and circular hole and form bascule.The deck body is fixed on certain position of U shape steel bracket, and axle bed is that the center is up and down with the axle bolt, and the axle bed bottom closely engages with the top cover of hydraulic prop and can make the adjustment of angle.Distribution and situation of change according to the suffered mine pressure in tunnel; The part comprehensive pressure that the U shape steel bracket bears top and sidepiece can well decompose on the hydraulic prop through the movable deck of the utility model; Receive the component of the concrete pressure of roadway surrounding rock according to the U shape steel bracket; Can adjust the angle of hydraulic prop accurately through connecting the movable deck of the utility model; Make to add strong supporting performance optimal state, this deck can be installed in place before the load that the U shape steel bracket is increased, and uses the hydraulic prop supporting.Also can, the U shape steel bracket be installed in the junction of U shape steel bracket arch and leg when installing, in the lump the effect of performance card cable and deck.The deck of installing simultaneously with the U shape steel bracket, under normal circumstances, not only can be as the card cable, some things such as the circular hole through deck also can suspended cables, pipeline, instrument.
The use working condition of the utility model is following:
1, if already installed U shape steel bracket is installed the utility model deck when receiving increased pressure thereafter; As shown in Figure 5; Its position can be chosen in the place installation that the U shape steel bracket encircles 11 best stressed decomposition place; The utility model deck is installed in selected position, and, then base is connected in series and the adjustment base through manhole with axle bolt 5 and spindle nut 6 with masking sheet 1, masking sheet bolt 2 and masking sheet nut 3 Fixing clamp-seats; And then, support after the adjustment angle with hydraulic prop 12 (claiming hydraulic prop again) support and chucking base.Perhaps be installed in below the base of plurality of adjacent U shape steel bracket earlier with monomer column length beam; The design of base just in time can tighten with monomer column length beam or monomer column; Below long beam, erect some hydraulic props then; Lift and support the utility model deck through long beam, such supporting is more stable, reaches best supporting effect.
2, if when the U shape steel bracket is installed, just need add strong supporting or be used as the card cable earlier,, as shown in Figure 6 according to the situation in present U shape steel bracket and tunnel; The position that the utility model deck is installed can be chosen in the joint in the middle of U shape steel bracket arch 11 and the leg 13; Under U shape steel bracket arch and the mounted situation of leg, the engagement position of the U type groove of deck body is encircleed and the leg joint at the U shape steel bracket, tighten at each bolt hole with masking sheet 1, masking sheet bolt 2 and masking sheet nut 3 then; To fix arch, leg and deck; Like this, deck can doublely be made the card cable and use, some things such as manhole suspended cables that in the case can be through deck, pipeline, instrument.In the time of need adding strong supporting, base is connected in series and the adjustment base through manhole with axle bolt 5 and spindle nut 6,, adds the strong supporting state to reach then like said installation hydraulic prop of above-mentioned step 1 or long beam.
By above-mentioned visible, the utility model uses and can effectively solve U shape steel bracket tunnel, down-hole and add the strong supporting problem, and can well cooperate being connected of U shape steel bracket and hydraulic prop; And decomposing the pressure that is born according to the support force characteristic, the utility model deck is easy to use simultaneously, installs easily; Angle is flexible, good connecting effect, and function is more; It is little to take lane space, alternative and other unnecessary materials of saving, and also safe, the production for the down-hole brings many convenience.
Claims (6)
1. movable deck that connects U shape steel bracket and hydraulic prop; Comprise deck body, masking sheet and base; It is characterized in that the deck body is by U type groove (4b) formation on stretched (4a) and top, and the manhole that is interconnected is arranged on the two side of stretched; Stretched links together through the base (7) of manhole and bottom, and the masking sheet of U type groove and top (1) is fixed together.
2. the movable deck of connection U shape steel bracket according to claim 1 and hydraulic prop is characterized in that described stretched (4a) is a cross section platysome triangular in shape, and leg-of-mutton both sides are respectively aduncate arc.
3. the movable deck of connection U shape steel bracket according to claim 1 and hydraulic prop is characterized in that the width and the equal in length of the bottom of the top of described stretched (4a) and U type groove (4b).
4. the movable deck of connection U shape steel bracket according to claim 1 and hydraulic prop is characterized in that described masking sheet (1) is a strip, has 2 at least, is distributed on the top of U type groove.
5. the movable deck of connection U shape steel bracket according to claim 1 and hydraulic prop; It is characterized in that; The both sides of described U type groove (4b) have respectively and the corresponding arc convex bodys in masking sheet two ends (9); The arc raised line (8) that places the arc convex body inboard is arranged on the both sides of the edge of U type groove, and arc convex body and masking sheet are fixed together through masking sheet bolt (2) and masking sheet nut (3).
6. the movable deck of connection U shape steel bracket according to claim 1 and hydraulic prop; It is characterized in that described base (7) is the curved plate body in cross section, in fluted; Groove is stuck on the stretched central circular through hole; Axle bolt (5) passes manhole and by spindle nut (6) base and stretched is linked together, and on four jiaos of the bottoms of base boss (10) is arranged, and it is movable up and down that base with the axle bolt is that the axle center is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204736389U CN202391439U (en) | 2011-11-24 | 2011-11-24 | Movable chuck for connecting U-shaped steel bracket with single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204736389U CN202391439U (en) | 2011-11-24 | 2011-11-24 | Movable chuck for connecting U-shaped steel bracket with single hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391439U true CN202391439U (en) | 2012-08-22 |
Family
ID=46666369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204736389U Expired - Fee Related CN202391439U (en) | 2011-11-24 | 2011-11-24 | Movable chuck for connecting U-shaped steel bracket with single hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383812A (en) * | 2011-11-24 | 2012-03-21 | 河南理工大学 | Movable clamping seat for connecting U-shaped steel bracket with individual hydraulic prop |
-
2011
- 2011-11-24 CN CN2011204736389U patent/CN202391439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383812A (en) * | 2011-11-24 | 2012-03-21 | 河南理工大学 | Movable clamping seat for connecting U-shaped steel bracket with individual hydraulic prop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131124 |