CN211848782U - Variable-height steel formwork for pavement subbase and base layer construction - Google Patents

Abstract

The utility model relates to a variable high steel form for in road surface subbase and basic unit construction, it includes first template and second template, the vertical slip setting of second template is on the face of first template one side, the support frame has set firmly on the one side board of first template, the support frame includes the entablature pole, sheer pole and diagonal brace, be provided with the cavity along self length direction in the entablature pole, it is provided with the slider to slide in the cavity, the top of second template has set firmly the bracing piece, the bracing piece slides and wears to establish in the perforation, be provided with the stop device who is used for restricting the slider removal on the entablature pole. Through lifting up the second template from first template the place ahead, fix the second template after rising again to add the support to the second template through the bracing piece, make the second template have better ability of preventing toppling, make the whole better stability that has of template, the utility model discloses the effect that improves the thickness scope of the road surface subbase that the template is suitable for has.

Description

Variable-height steel formwork for pavement subbase and base layer construction

Technical Field

The utility model belongs to the technical field of the technique of road surface construction and specifically relates to a variable high steel form that is arranged in road surface subbase and basic unit's construction.

Background

With the continuous development and growth of the construction scale of the traffic infrastructure in China, the variety and construction tasks of the engineering are more and more, and various engineering construction technologies are continuously updated, so that the engineering quality requirement is higher and higher, and the requirements on new technologies, new processes, new materials and new equipment are also increasingly increased.

Chinese patent that the grant bulletin number is CN209493777U discloses an optimize template for road surface basic unit is fixed, including channel-section steel i, channel-section steel ii, channel-section steel iii, i bottom plate one end rigid coupling of channel-section steel has the connection piece, the level is equipped with two round holes in proper order on the connection piece, connection piece upper surface intermediate position rigid coupling has the cassette, it has the round steel post to articulate in the cassette, the perpendicular round steel post direction rigid coupling in round steel post top has the steel sheet, the one end of channel-section steel ii aligns with the one end that channel-section steel i is close to the connection piece and is connected, the connection piece is located the bottom plate of channel-section steel ii, the position that channel-section steel ii corresponds the round hole is equipped with through-.

The above prior art solutions have the following drawbacks: when laying the road surface basic unit, constructor can select to lay the road surface basic unit of different thickness according to specific geology type situation, and current road surface basic unit supports steel form highly invariable, is difficult to play stable supporting role to thicker road surface basic unit, makes road surface basic unit filler spill over from the steel form top easily, and for this reason, we improve the steel form.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a can be suitable for the variable high steel form that is arranged in road surface subbase and basic unit construction of different thickness road surface subbase.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a variable-height steel template for pavement sub-base and base layer construction comprises a first template vertically arranged on the ground and a second template, wherein a support frame is fixedly arranged on one side panel of the first template, a positioning device for fixing the support frame with the ground is arranged on the support frame, a plurality of groups of support frames are uniformly arranged at intervals along the length direction of the first template, the second template is vertically and slidably arranged on the surface of the first template far away from the support frame, the support frame comprises an inclined strut, an upper cross rod and a lower cross rod which are parallel to each other, the upper cross rod and the lower cross rod are vertically and fixedly arranged on the first template, two ends of the inclined strut are respectively and fixedly arranged at the end parts of the upper cross rod and the lower cross rod far away from the first template, the upper cross rod is positioned right above the lower cross rod, one end of the inclined strut, which is connected with the upper cross rod, is closer to the first template, and a cavity is arranged in, the top wall and the bottom wall of the upper cross rod are both provided with strip-shaped holes communicated with the cavity in the upper cross rod, a sliding block is arranged in the cavity in a sliding mode, the top of the second template is fixedly provided with a supporting rod, the axis of the supporting rod is parallel to the axis of the inclined supporting rod, a through hole matched with the supporting rod is formed in the sliding block, the supporting rod penetrates through the through hole in a sliding mode, and the upper cross rod is provided with a limiting device used for limiting the sliding block to move.

By adopting the technical scheme, when the steel templates are added on two sides of the pavement bottom base layer, an operator firstly places the first template on the ground, so that the lower cross rod on the support frame is horizontally supported on one side of the first template far away from the pavement bottom base layer, then, the lower cross rod is fixed with the ground by using the positioning device, thereby effectively preventing the first template from sliding towards the outside of the road, then, according to the construction requirement, when the pavement bottom base layer is thicker, the operator lifts the second template upwards from the front of the first template, and drives the sliding block to horizontally slide on the upper cross rod while the supporting rod on the second template slides with the through hole in the sliding block in the cavity of the upper cross rod, after the second template is lifted to a proper position, the operator positions and fixes the sliding block by the limiting device, the sliding block is limited to slide on the upper cross rod, and simultaneously the second template is fixed on the first template, and the support rods are parallel to the inclined support rods on the support frame, and further support is added to the second template, so that the second template has better anti-overturning capability, the whole template has better stability, and the thickness range of the pavement sub-base layer suitable for the template is improved.

The present invention may be further configured in a preferred embodiment as: the positioning device is an inserted bar, a sliding hole is vertically formed in the lower cross bar, the inserted bar is slidably arranged in the sliding hole in a penetrating mode, the sliding hole is formed in the bottom of the inserted bar in a stretching mode, and the bottom of the inserted bar is a sharp portion.

Through adopting above-mentioned technical scheme, operating personnel inserts the inserted bar in the ground downwards from the slider hole department on the sheer pole, can effectively avoid the template to the road surface both sides slip, improves template stability.

The present invention may be further configured in a preferred embodiment as: the inserted bar is provided with many along the even interval of sheer pole length direction, the top of inserted bar stretches out the slip hole, the top of inserted bar has set firmly the connecting plate.

Through adopting above-mentioned technical scheme, connect a plurality of inserted bars on a connecting plate, make the groove length personnel can press work to many inserted bars simultaneously through operating the connecting plate to through setting up many inserted bars on a sheer pole, further strengthen template stability.

The present invention may be further configured in a preferred embodiment as: the first template is characterized in that a supporting plate is fixedly arranged on the surface, provided with the supporting frame, of the first template, the supporting plate is located above the connecting plate, a tightening bolt is connected to the supporting plate through a vertical bolt, and the bottom of the tightening bolt abuts against the top of the connecting plate.

Through adopting above-mentioned technical scheme, insert ground with many inserted bars on the connecting plate after, operating personnel uses and supports tight bolt, and threaded connection is in the backup pad to the bottom butt that makes to tight bolt is on the roof of connecting plate, thereby effectively avoids the connecting plate not hard up from top to bottom on the sheer pole, keeps inserted bar and ground grafting state, improves inserted bar grafting stability.

The present invention may be further configured in a preferred embodiment as: stop device includes pull rod, friction disc and carousel, set up on the lateral wall of last horizontal pole with the waist shape hole of the inside cavity intercommunication of last horizontal pole, the pull rod level sets firmly on the lateral wall that the slider is close to waist shape hole, the carousel rotates to be connected in the pull rod and stretches out the one end in waist shape hole, the length direction of the axis perpendicular to pull rod of carousel, the skew and the axis that is on a parallel with self of rotation axis of carousel, the handle has set firmly on the outer wall of carousel, the friction disc cover is established on the pull rod, the outer wall of carousel in friction disc sliding contact.

By adopting the technical scheme, an operator rotates the handle, so that one end, far away from the self rotation axis, of the outer wall of the rotary table rotates towards the friction plate, the friction plate is tightly abutted to the outer wall of the upper cross rod while the friction plate is tightly abutted, and then the sliding block is fixed on the upper cross rod through friction force, so that the operation is convenient and quick.

The present invention may be further configured in a preferred embodiment as: the pull rod is provided with a spring for driving the friction plate to be far away from the upper cross rod in a winding mode, one end of the spring is abutted to the friction plate, and the other end of the spring is abutted to the sliding block.

Through adopting above-mentioned technical scheme, rotate the handle at operating personnel, make on the carousel outer wall rotate towards the friction disc direction apart from the nearer one end of self axis of rotation, loosen the back with the friction disc, the spring promotes the friction disc and keeps away from the outer wall of entablature, and then makes the slider receive the resistance when sliding on the entablature littleer, and it is more smooth and easy to slide.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a template, including first template, second template, guide bar, guide way, screw hole, positioning bolt, screw hole threaded connection, the guide way has been seted up along vertical direction on the face that first template has the support frame, the top of second template has set firmly the guide bar, the guide bar slides and wears to establish in the guide way, set up the through-hole along guide way degree of depth direction on the guide bar, set up threaded hole on the diapire of guide way, the screw hole is provided with a plurality ofly along the even interval of vertical direction, wear to be equipped with positioning bolt in.

Through adopting above-mentioned technical scheme, after the second template was mentioned by operating personnel, operating personnel passed the perforation on the guide bar with positioning bolt to during threaded connection inserts the screw hole in the guide way on the first template, further add fixedly for the second template, improve second template stability.

The present invention may be further configured in a preferred embodiment as: and scale marks are arranged on the face of the guide rod far away from the bottom wall of the guide groove.

Through adopting above-mentioned technical scheme, when mentioning the second template, operating personnel can observe the guide bar and stretch out the back from the guide way in, at the scale mark of guide way opening part, and the height is stretched out to the understanding second template directly perceived, makes things convenient for operating personnel to carry out the regulation work of template overall height.

To sum up, the utility model discloses a following at least one useful technological effect:

1. an operator lifts the second template from the front of the first template, then fixes the lifted second template, and makes the support rods parallel to the inclined support rods on the support frame, so that the support rods can support the second template, the second template has better anti-overturning capability, the whole template has better stability, and the thickness range of a pavement underlayer applicable to the template is improved;

2. after a plurality of insertion rods on the connecting plate are inserted into the ground, an operator uses the abutting bolts to be in threaded connection with the supporting plate, and the bottom ends of the abutting bolts abut against the top wall of the connecting plate, so that the connecting plate is effectively prevented from loosening up and down on the lower cross rod, the insertion rod and the ground are kept in an insertion state, and the insertion stability of the insertion rods is improved;

3. after the second template is lifted by an operator, the operator penetrates the positioning bolt through the through hole in the guide rod, and the positioning bolt is connected into the threaded hole in the guide groove in the first template in a threaded manner, so that the second template is further fixed, and the stability of the second template is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion C in fig. 1.

In the figure, 1, a first template; 11. an upper cross bar; 111. a cavity; 112. a strip-shaped hole; 12. a lower cross bar; 13. a diagonal brace; 2. a support frame; 3. a second template; 31. a support bar; 4. a slider; 5. a limiting device; 51. a pull rod; 52. a friction plate; 53. a turntable; 54. a waist-shaped hole; 55. a spring; 6. inserting a rod; 61. a slide hole; 62. a connecting plate; 63. a support plate; 64. tightly abutting against the bolt; 7. a guide bar; 71. a guide groove; 72. positioning the bolt; 73. scale lines; 74. a threaded hole; 75. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a variable high steel form for in road surface subbase and basic unit construction, including first template 1 and second template 3. A support frame 2 is arranged on one side panel of the first template 1, and the support frame 2 comprises an upper cross bar 11, a lower cross bar 12 and an inclined support bar 13. The upper cross rod 11 and the lower cross rod 12 are parallel to each other, are all welded to the first template 1 vertically, and the upper cross rod 11 is located right above the lower cross rod 12, and the length is smaller than the lower cross rod 12. Two ends of the inclined stay bar 13 are respectively communicated with the ends of the upper cross bar 11 and the lower cross bar 12 far away from the first template 1 and integrally welded. The support frames 2 are arranged on the first template 1 at intervals along the length direction of the first template 1.

Referring to fig. 1 and 2, the lower cross bar 12 is vertically provided with three sliding holes 61, and the sliding holes 61 are uniformly arranged along the length direction of the lower cross bar 12 at intervals. The lower cross rod 12 is provided with a positioning device for fixing the lower cross rod 12 and the ground, the positioning device is an inserted rod 6, and the size of the inserted rod 6 is matched with that of the sliding hole 61. One end of each insertion rod 6 is a conical tip, a strip-shaped connecting plate 62 is welded at the other end of each insertion rod, and three insertion rods 6 are welded on the connecting plates at intervals. The first template 1 is also vertically welded with a support plate 63 on the surface with the support frame 2, the support plate 63 is vertically provided with a screw hole, the screw hole is internally threaded with a tightening bolt 64, and the bottom of the tightening bolt 64 can abut against the top of the connecting plate 62 when the inserted bar 6 is inserted and matched in the sliding hole 61.

Referring to fig. 1 and 3, the second template 3 is attached to the side wall of the first template 1 far away from the support frame 2, the first template 1 is provided with a guide groove 71 vertically on the surface of the support frame 2, one end of the guide groove 71 close to the top of the first template 1 is opened, and the guide groove 71 is provided with a plurality of strips in parallel at intervals along the length direction of the first template 1. The top of second template 3 is connected with the extension rod towards first template 1 one side, and the vertical welding of tip that the extension rod kept away from second template 3 has guide bar 7, and the vertical direction etching has scale mark 73 on the wall of second template 3 is kept away from to guide bar 7, and the minimum unit of scale mark 73 is mm. The cross-sectional shape of the guide groove 71 is T-shaped, the cross-sectional shape of the guide rod 7 is T-shaped to fit the guide groove 71, and the guide rod 7 is inserted into the guide groove 71. The guide rod 7 is provided with a through hole 75 with the axis vertical to the first template 1, the through hole 75 is close to the bottom of the guide rod 7, the bottom wall of the guide groove 71 is provided with a threaded hole 74 with the axis parallel to the axis of the through hole 75, and the positioning bolt 72 penetrates through the through hole 75 to be in threaded connection with the threaded hole 74.

Referring to fig. 1 and 4, a cavity 111 is formed in the upper cross bar 11 along the length direction, a strip-shaped hole 112 is further formed in the top wall of the upper cross bar 11 along the length direction, after the strip-shaped hole 112 penetrates through the cavity 111, a waist-shaped hole 54 is further formed in a vertical side wall, parallel to the length direction, of the upper cross bar 11 at the bottom of the upper cross bar 11, and the waist-shaped hole 54 is horizontally opened into the cavity 111. The cavity 111 is internally and slidably embedded with a slide block 4, the top wall of the slide block 4 is provided with a through hole matched with the width of the strip-shaped hole 112, and the through hole is parallel to the axis of the inclined stay bar 13. The support rod 31 is welded on the surface of the second formwork 3 close to the first formwork 1, the dimension rod is parallel to the inclined support rod 13, passes through the strip-shaped hole 112 and is arranged in the through hole of the sliding block 4 in a penetrating mode.

Referring to fig. 1 and 4, the upper cross bar 11 is provided with a limiting device 5 for limiting the movement of the slider 4, and in this embodiment, the limiting device 5 includes a pull rod 51, a friction plate 52 and a turntable 53. The pull rod 51 is welded perpendicularly to the side wall of the slide block 4 close to the kidney-shaped hole 54 and extends out of the kidney-shaped hole 54. The pull rod 51 extends out of the end part of the waist-shaped hole 54, a rotating shaft with the axis vertical to the axis of the pull rod 51 is welded, the rotating disc 53 is rotatably connected to the rotating shaft, and the axis of the rotating disc 53 is parallel to but not collinear with the axis of the rotating shaft. The outer wall of the turntable 53 is welded with a handle. The friction plate 52 is made of rubber, and the friction plate 52 is annular and is sleeved on the pull rod 51. Friction plate 52 is located between upper cross bar 11 and turntable 53. The pull rod 51 is further sleeved with a spring 55 for driving the friction plate 52 to be away from the upper cross rod 11, one end of the spring 55 abuts against the sliding block 4, and the other end of the spring 55 abuts against the friction plate 52.

The implementation principle of the embodiment is as follows: when adding the steel templates to the two sides of the pavement base course, an operator places the first template 1 on the ground, so that the lower cross rod 12 on the support frame 2 is horizontally supported on one side of the first template 1, which is far away from the pavement base course. Next, the inserting rod 6 is inserted into the ground through the sliding block on the bottom rail 12 and the bottom rail 12, so as to fix the bottom rail 12 to the ground, thereby effectively preventing the first form 1 from sliding to the outside of the road. Next, when the thickness of the pavement sub-base layer is thick, the operator lifts the second formwork 3 upward from the front of the first formwork 1, and drives the supporting rods 31 of the second formwork 3 to slide through the through holes of the sliders 4 in the cavities 111 of the upper cross bars 11, and simultaneously drives the sliders 4 to horizontally slide on the upper cross bars 11. After the second template 3 is lifted to a proper position, the operator rotates the handle again to make the end of the outer wall of the rotating disc 53 far away from the rotation axis rotate towards the friction plate 52. The friction plate 52 is tightly pressed by the rotating disc 53, and simultaneously, the friction plate 52 is tightly pressed by the outer wall of the upper cross bar 11, so that the sliding block 4 is fixed on the upper cross bar 11 through friction force, and the second template 3 is fixed on the first template 1. And the support rod 31 is parallel to the inclined support rod 13 on the support frame 2, so that the second template 3 is further supported, and the second template 3 has better anti-overturning capability. The whole template has better stability, and the thickness range of the pavement underlayer applicable to the template is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a variable high steel form for in road surface subbase and basic unit construction, includes vertical setting subaerial first template (1), its characterized in that: the floor-mounted type wall, the novel die is characterized in that a cavity (111) is formed in the upper cross rod (11) along the length direction of the upper cross rod, strip-shaped holes (112) communicated with the cavity (111) in the upper cross rod (11) are formed in the top wall and the bottom wall of the upper cross rod (11), a sliding block (4) is arranged in the cavity (111) in a sliding mode, a supporting rod (31) is fixedly arranged at the top of the second die plate (3), the axis of the supporting rod (31) is parallel to the axis of the inclined supporting rod (13), a through hole matched with the supporting rod (31) is formed in the sliding block (4), the supporting rod (31) is arranged in the through hole in a penetrating mode in a sliding mode, and a limiting device (5) used for limiting the sliding block (4.

2. The variable height steel form for pavement sub-base and base course construction according to claim 1, wherein: the positioning device is an inserted bar (6), a sliding hole (61) is vertically formed in the lower cross bar (12), the inserted bar (6) slides to penetrate through the sliding hole (61), the sliding hole (61) is extended out of the bottom of the inserted bar (6), and the bottom of the inserted bar (6) is pointed.

3. The variable height steel form for pavement sub-base and base course construction according to claim 2, wherein: inserted bar (6) are provided with many along sheer pole (12) length direction even interval, slide hole (61) are stretched out at the top of inserted bar (6), connecting plate (62) have set firmly at the top of inserted bar (6).

4. The variable height steel form for pavement sub-base and base course construction according to claim 3, wherein: the first formwork (1) is provided with a supporting plate (63) fixedly arranged on the plate surface of the supporting frame (2), the supporting plate (63) is located above the connecting plate (62), a tightening bolt (64) is connected to the supporting plate (63) through a vertical bolt, and the bottom of the tightening bolt (64) abuts against the top of the connecting plate (62).

5. The variable height steel form for pavement sub-base and base course construction according to claim 1, wherein: stop device (5) include pull rod (51), friction disc (52) and carousel (53), set up waist shape hole (54) with the inside cavity (111) intercommunication of last horizontal pole (11) on the lateral wall of last horizontal pole (11), pull rod (51) level sets firmly on slider (4) are close to the lateral wall in waist shape hole (54), carousel (53) rotate to be connected the one end that stretches out waist shape hole (54) in pull rod (51), the length direction of the axis perpendicular to pull rod (51) of carousel (53), the rotation axis of carousel (53) is skew and is on a parallel with the axis of self, the handle has set firmly on the outer wall of carousel (53), friction disc (52) cover is established on pull rod (51), the outer wall of carousel (53) is in friction disc (52) sliding contact.

6. The variable height steel form for pavement sub-base and base course construction according to claim 5, wherein: and a spring (55) for driving the friction plate (52) to be far away from the upper cross rod (11) is wound on the pull rod (51), one end of the spring (55) is abutted against the friction plate (52), and the other end of the spring (55) is abutted against the sliding block (4).

7. The variable height steel form for pavement sub-base and base course construction according to claim 1, wherein: guide way (71) have been seted up along vertical direction on the face that first template (1) had support frame (2), guide bar (7) have been set firmly at the top of second template (3), guide bar (7) slide to wear to establish in guide way (71), through-hole (75) have been seted up along guide way (71) degree of depth direction on guide bar (7), set up threaded hole (74) on the diapire of guide way (71), threaded hole (74) are provided with a plurality ofly along the even interval of vertical direction, wear to be equipped with positioning bolt (72) in the perforation, positioning bolt (72) and threaded hole (74) threaded connection.

8. The variable height steel form for pavement sub-base and base course construction according to claim 7, wherein: and scale marks (73) are arranged on the face of the guide rod (7) far away from the bottom wall of the guide groove (71).

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