CN211690454U - Induced seam mould for ultra-long concrete structure - Google Patents

Abstract

The utility model discloses an induced seam mould for an ultralong concrete structure, which relates to the technical field of building construction and comprises at least one mould body, wherein the mould body comprises a shell, a template and a driving mechanism; the template comprises a first half shell and a second half shell, wherein the bottom surface of the first half shell presses the bottom surface of the second half shell, and the side surfaces of the first half shell and the second half shell are clamped to form a cover-free square shell; the template extends upwards into the shell, and four outer side walls of the template are in relative sliding contact with four inner side walls of the shell; the power output end of the driving mechanism extends downwards into the shell, the driving mechanism penetrates through the first half shell and is in threaded connection with the second half shell, and the driving mechanism drives the template to extend out of or retract into the shell when rotating. When the induction seam injection mould is used, after the depth of the mould plate of the mould body is adjusted, the mould is fixed on other mould plates, and the induction seam is formed after concrete is poured. The utility model provides a difficult dismantlement after induced seam construction is accomplished, consolidate crooked and the unable turnover of mould and the problem of the regulation of induced seam degree of depth in the construction.

Description

Induced seam mould for ultra-long concrete structure

Technical Field

The utility model relates to a construction technical field, specific induction seam mould for overlength concrete structure that says so.

Background

The induced seam is a part which is easy to crack and is arranged in a concrete structure by properly reducing the restraint of reinforcing steel bars on concrete and other methods in the structure, and is a construction technical measure which is generally set by measures such as breaking structural reinforcing steel bars in the structure, artificially induces the concrete structure to crack at a preset position to release internal force, avoids cracking at other parts and ensures the safety of the structure.

Along with the development of urban construction, land resources are increasingly in short supply, and more super-long buildings such as super-long basements, subway stations, underground stations and underground pipe galleries appear. In order to ensure that cracks do not occur in the overlong buildings and to prevent structural cracking, the conventional induced joints are often used as moulds in the construction by adopting traditional modes such as battens and the like, the problems that the induced joints cannot be dismantled and reinforced in the later period and the like can occur, the induced joints cannot achieve the expected effect, and meanwhile, the moulds cannot be reused and cause waste.

Disclosure of Invention

The utility model discloses demand and weak point to present technical development provide an induced seam mould for overlength concrete structure.

The utility model discloses an induced seam mould for overlength concrete structure solves the technical scheme that above-mentioned technical problem adopted as follows:

an induced seam mould for an ultralong concrete structure comprises at least one mould body, wherein the mould body comprises a shell, a template and a driving mechanism;

the template comprises a first half shell and a second half shell, the bottom surface of the first half shell presses the bottom surface of the second half shell, and the side surfaces of the first half shell and the second half shell are in seamless clamping connection to form a square shell without a cover on the top surface;

the shell is a square shell without a bottom;

the template extends upwards into the shell, and four outer side walls of the template are in relative sliding contact with four inner side walls of the shell;

the power output end of the driving mechanism extends downwards into the shell, the end part of the driving mechanism extending into the shell continuously penetrates through the bottom surface of the first half shell and is in threaded connection with the bottom surface of the second half shell, and the driving template extends downwards or retracts upwards into the shell when the driving mechanism rotates.

Optionally, the driving mechanism includes a bracket fixedly connected to the inside of the housing, and further includes a bevel gear, a first gear, and a second gear disposed between the bracket and the housing;

the shaft of the bevel gear is parallel to the length direction of the template, and the shaft of the bevel gear penetrates through the bracket outwards and is connected with the shell through a bearing;

the first gear penetrates out of the shell upwards and is fixed with the shell through a bearing, and the first gear is in external meshing connection with the bevel gear;

the shaft of the second gear penetrates through the support downwards and is fixed with the support through a bearing, the shaft of the second gear continuously penetrates through the first half shell downwards and is in threaded connection with the second half shell, and the second gear is in external meshed connection with the bevel gear.

Further, when the number of the die bodies is at least two, a square hole is formed in one shaft end of the bevel gear, and a square protrusion is arranged at the other shaft end of the bevel gear;

when two adjacent mould bodies are placed along the length direction of the template, the square protrusion of the bevel gear in one mould body is matched with the square hole of the bevel gear in the adjacent mould body, so that the bevel gears of the two adjacent mould bodies synchronously rotate, and the opposite side surfaces of the two adjacent mould bodies are in butt contact.

Optionally, the driving mechanism includes a threaded shaft, the threaded shaft penetrates through the housing and is fixed with the top surface of the housing through a bearing, and the threaded shaft is disposed at the end portion of the housing, and is threaded downwards to penetrate through the bottom surface of the first half housing and is screwed to the bottom surface of the second half housing.

Further, when the number of the die bodies is at least two, the shaft wall of the threaded shaft is also provided with a plurality of grooves;

the driving mechanism also comprises a gear set which is detachably connected to the shell; the gear of the gear set is externally engaged with the groove of the threaded shaft;

when two adjacent mould bodies are placed along the length direction of the template, the end gears of the adjacent gear sets are in external meshing connection.

Furthermore, the bottom surface of the first half shell is provided with a threaded through hole; the bottom surface of the second half shell is provided with a threaded blind hole; the end of the drive mechanism extending into the housing continues through the threaded co-aperture of the first housing half and threadably engages the threaded blind aperture of the second housing half.

Further, the die body also comprises two side plates, the two side plates are horizontally arranged along the length direction of the induction seam, and the two side plates are symmetrically fixed on two opposite side surfaces of the shell; the side of the side plate far away from the shell is provided with a clamping groove for clamping an external template.

Further, when the number of the die bodies is at least two, one side surface of the side plate is provided with a limiting hole, and the opposite side surface of the side plate is provided with a limiting lug matched with the limiting hole;

when two adjacent mould bodies are placed along the length direction of the template, the limiting lug of the side plate in one template body is matched with the limiting hole of the side plate in the adjacent template body, so that the opposite side surfaces of the two adjacent mould bodies are overlapped.

The utility model discloses a be used for induced seam mould of overlength concrete structure compares produced beneficial effect with prior art and is:

the utility model discloses an induced seam mould for an ultralong concrete structure, which is easy to disassemble a template by butting a first half shell and a second half shell to form the template; the driving mechanism is arranged to realize the adjustment of the height of the template; the problem of reinforcement deflection is solved by the detachable connection and firm fixation of the clamping grooves and the fixing bolts on the side plates and the external template; the combination of a plurality of induction seam dies is realized through the limiting holes and the limiting lugs on the side plates, and the construction of the ultra-long induction seam is facilitated.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention;

fig. 2 is a perspective sectional view of a first embodiment of the present invention;

FIG. 3 is a side sectional view of FIG. 1;

FIG. 4 is a cross-sectional view of the connection between the shaft of the second gear and the mold plate according to the first embodiment of the present invention;

FIG. 5 is a schematic view of a partially enlarged structure of the butt joint of two adjacent mold bodies of the present invention;

FIG. 6 is a perspective sectional view of a second embodiment of the present invention;

fig. 7 is a schematic view of a partially enlarged structure of the engagement between the threaded shaft and the gear set according to the second embodiment of the present invention.

The reference information in the drawings indicates:

100. the device comprises a shell, 200, a template, 300, a driving mechanism, 400 and side plates;

201. a first half-shell 202, a second half-shell;

301. a bracket, 302, a first gear, 303, a bevel gear,

304. a second gear, 305, a threaded shaft, 306, a gear set;

3031. a square hole 3032 and a square bulge; 3051. a groove;

401. the device comprises a limiting hole 402, a limiting lug 403, a clamping groove 404 and a fixing bolt.

Detailed Description

For making the technical scheme, the technical problem and the technological effect of solution of the utility model more clearly understand, combine specific embodiment below, it is right to the technical scheme of the utility model clear, complete description.

The first embodiment is as follows:

with reference to fig. 1, 2, 3, 4, and 5, the embodiment provides an induced crack mold for an ultra-long concrete structure, which includes a mold body, where the mold body includes a shell 100, a mold plate 200, a driving mechanism 300, and a side plate 400.

The housing 100 is a square case without a bottom for placing the mold plate 200 and fixing the driving mechanism 300.

The formwork 200 comprises a first half shell 201 and a second half shell 202, and the formwork 200 is used for supporting concrete to form an induced seam; the bottom surface of the first half shell 201 presses down the bottom surface of the second half shell 202, and the side surfaces of the first half shell 201 and the second half shell 202 are in seamless clamping connection to form a square shell without a cover on the top surface; a threaded through hole is formed in the bottom surface of the first half shell 201; a threaded blind hole is formed in the bottom surface of the second half shell 202, and the maximum adjusting depth of the template 200 is slightly smaller than the depth of the threaded blind hole;

the driving mechanism 300 includes a bracket 301 fixedly coupled to the inside of the housing 100, and further includes a first gear 302, a bevel gear 303, and a second gear 304 disposed between the bracket 301 and the housing 100. The bracket 301 is L-shaped, and the bracket 301 is used for fixing the driving mechanism 300; the bevel gear 303 axially penetrates through the bracket 301 and is connected with the shell 100 through a bearing, a square hole 3031 is formed in one end of the shaft of the bevel gear 303, and a square protrusion 3032 is arranged at the other end of the shaft of the bevel gear 303; the first gear 302 penetrates out of the shell 100 upwards and is fixed with the shell 100 through a bearing, and the first gear 302 is in external meshing connection with the bevel gear 303; the shaft of the second gear 304 passes through the bracket 301 downwards and is connected with the bracket 301 through a bearing, the shaft of the second gear 304 continues to pass through the threaded through hole of the first half-shell 201 downwards and is in threaded connection with the threaded blind hole of the second half-shell 202, and the second gear 304 is in external meshing connection with the bevel gear 303. By rotating the shaft of the first gear 302, the template 200 is extended downward or retracted upward inside the housing 100.

The side plates 400 are used for fixedly matching with an external template (such as a wood board) or a mold body, the number of the side plates 400 is two, the two side plates 400 are horizontally arranged along the length direction of the induction seam, the two side plates 400 are symmetrically fixed on two opposite side surfaces of the shell 100, and the side plates 400 are fixedly connected with the shell 100. One side surface of the side plate 400 is provided with a limiting hole 401, and the opposite side surface of the side plate 400 is provided with a limiting lug 402 matched with the limiting hole 401; the side of the side plate 400 facing away from the housing 100 has a locking groove 403 for locking an external form (e.g., a wooden plate), and the fixing bolt 404 connects the external form (e.g., a wooden plate) to the locking groove 403 of the side plate 400.

In this embodiment, in order to adjust the height of the template 200 extending out of the housing 100 more intuitively and avoid the shaft of the second gear 303 from completely disengaging from the blind threaded hole of the second housing half 202, scale marks are respectively provided on the left and right side walls of the first housing half 201 and the left and right side walls of the second housing half 202, when the end surface of the housing 100 coincides with the scale marks of the second housing half 202, it indicates that the shaft of the second gear 303 just disengages from the blind threaded hole of the second housing half 202, and at this time, the second housing half 202 disengages from the constraint of the driving mechanism 300. When the bottom surface of the housing 100 coincides with the graduation marks of the first half-shell 201, it means that the shaft of the second gear 303 is just disengaged from the threaded through-hole of the first half-shell 201, and at this time, the first half-shell 201 is disengaged from the driving mechanism 300.

Based on the first embodiment, the use method of the induced joint mould for the ultra-long concrete structure comprises the following steps:

before use, the bottom surface of the first half casing 201 is pressed down on the bottom surface of the second half casing 202, and the first half casing 201 and the side surface of the second half casing 202 are seamlessly clamped to form a square casing without a cover on the top surface, and the formed square casing without a cover on the top surface is the template 200. The mold plate 200 is extended upward into the housing 100, and at this time, the four outer side walls of the mold plate 200 are in relative sliding contact with the four inner side walls of the housing 100, and by rotating the shaft of the first gear 302, the axial lower thread of the second gear 304 is made to pass through the threaded through hole of the first half shell 201 and be screwed into the threaded blind hole of the second half shell 202.

During the use, according to induced seam length, adjustment mould body number for square hole 3031, square protrusion 3032 cooperation of two adjacent mould bodies are connected, and spacing hole 401, spacing lug 402 cooperation are connected, make the side coincidence of two adjacent mould bodies, and the bevel gear 303 synchronous rotation of two adjacent mould bodies. By rotating the shaft of the first gear 302 on one of the die bodies in the counterclockwise direction so that the die plate 200 protrudes out of the housing 100, the depth of the die plates 200 in the plurality of die bodies can be synchronously adjusted by the transmission of the shafts of the bevel gears 303. And then clamping a plurality of die bodies onto an external template (such as a wood plate) through clamping grooves 403, and locking the die bodies by using fixing bolts 404 to prevent the die bodies from moving.

When the mold is disassembled, the external mold (e.g., a wooden plate) is disassembled, the shaft of the first gear 301 is rotated counterclockwise to separate the mold 200 from the housing 100, and then the first half shell 201 and the second half shell 202 are disassembled in sequence to complete the demolding of the mold 200.

Example two:

with reference to fig. 4, 5, 6, and 7, the embodiment provides a seam-inducing mold for an ultra-long concrete structure, which includes a mold body, where the mold body includes a shell 100, a mold plate 200, a driving mechanism 300, and a side plate 400.

The housing 100 is a square case without a bottom for placing the mold plate 200 and fixing the driving mechanism 300.

The formwork 200 comprises a first half shell 201 and a second half shell 202, and the formwork 200 is used for supporting concrete to form an induced seam; the bottom surface of the first half shell 201 presses down the bottom surface of the second half shell 202, and the side surfaces of the first half shell 201 and the second half shell 202 are in seamless clamping connection to form a square shell without a cover on the top surface; a threaded through hole is formed in the bottom surface of the first half shell 201; a threaded blind hole is formed in the bottom surface of the second half shell 202, and the maximum adjusting depth of the template 200 is slightly smaller than the depth of the threaded blind hole;

the drive mechanism 300 includes a threaded shaft 305 and a gear set 306; a plurality of grooves 3501 are arranged on the outer wall of the threaded shaft 305, and the threaded shaft 305 penetrates through the shell 100 and is fixed with the top surface of the shell 100 through a bearing; the gear set 306 is fixed to the inner surface of the housing 100 by a shaft, and gears of the gear set 306 pass through left and right sidewalls of the housing 100, which are perpendicular to the length direction of the mold plate 200. The gears of gear set 306 are in external meshing engagement with recess 3051 of threaded shaft 305.

The side plates 400 are used for fixedly matching with an external template (such as a wood board) or a mold body, the number of the side plates 400 is two, the two side plates 400 are horizontally arranged along the length direction of the induction seam, the two side plates 400 are symmetrically fixed on two opposite side surfaces of the shell 100, and the side plates 400 are fixedly connected with the shell 100. One side surface of the side plate 400 is provided with a limiting hole 401, and the opposite side surface of the side plate 400 is provided with a limiting lug matched with the limiting hole 401; the side of the side plate 400 facing away from the housing 100 has a locking groove 403 for locking an external form (e.g., a wooden plate), and the fastening bolt connects the external form (e.g., a wooden plate) to the locking groove 403 of the side plate 400.

Based on the second embodiment, the use method of the induced seam mould for the ultra-long concrete structure comprises the following steps:

before use, the bottom surface of the first half casing 201 is pressed down on the bottom surface of the second half casing 202, and the first half casing 201 and the side surface of the second half casing 202 are seamlessly clamped to form a square casing without a cover on the top surface, and the formed square casing without a cover on the top surface is the template 200. The mold plate 200 is extended upward into the housing 100, and at this time, the four outer side walls of the mold plate 200 are in relative sliding contact with the four inner side walls of the housing 100, and by rotating the shaft of the threaded shaft 305, the axial lower thread of the threaded shaft passes through the threaded through hole of the first half shell 201 and is screwed into the threaded blind hole of the second half shell 202.

During the use, according to induced seam length, adjustment mould body number for the tip gear external toothing of the gear train 306 of two adjacent mould bodies is connected, and spacing hole 401, spacing lug 402 cooperation are connected, make the side coincidence of two adjacent mould bodies, and the gear train 306 of two adjacent mould bodies rotates in step. By rotating the shaft of the threaded shaft 305 on one of the die bodies so that the die plate 200 protrudes out of the housing 100, the synchronous adjustment of the depth of the die plates 200 in the plurality of die bodies is achieved through the gearing of the gear set 306. And then clamping a plurality of die bodies onto an external template (such as a wood plate) through clamping grooves 403, and locking the die bodies by using fixing bolts to prevent the die bodies from moving.

When the template 200 is removed, the external template (such as a wood board) is removed, the shaft of the threaded shaft 305 and the shaft of the first gear 301 are rotated to relatively separate the template 200 from the shell 100, and then the first half shell 201 and the second half shell 202 are sequentially removed, so that the demolding of the template 200 is completed.

To sum up, adopt the utility model discloses an induced seam mould for overlength concrete structure can solve the problem of the regulation of induced seam degree of depth in difficult dismantlement of induced seam construction, reinforcement skew and the unable turnover of mould and construction.

The foregoing has outlined rather in detail the principles and implementations of the present invention using specific examples, which are provided to assist in understanding the core technology of the present invention. Based on the above-mentioned specific embodiment of the utility model, this technical field's technical personnel is not deviating from the utility model discloses under the prerequisite of principle, right the utility model discloses any improvement and modification made all should fall into the utility model discloses a patent protection scope.

Claims (8)

1. An induced crack mould for an overlong concrete structure comprises at least one mould body, and is characterized in that: the die body comprises a shell, a template and a driving mechanism;

the template comprises a first half shell and a second half shell, wherein the bottom surface of the first half shell presses the bottom surface of the second half shell, and the first half shell and the side surface of the second half shell are in seamless clamping connection to form a square shell without a cover on the top surface;

the shell is a square shell without a bottom at the bottom;

the template extends upwards into the shell, and four outer side walls of the template are in relative sliding contact with four inner side walls of the shell;

the driving mechanism extends downwards into the shell, the end part of the driving mechanism extending into the shell continuously penetrates through the bottom surface of the first half shell and is in threaded connection with the bottom surface of the second half shell, and the driving mechanism drives the template to extend downwards or retract upwards into the shell when rotating.

2. The induced crack mold for the ultra-long concrete structure according to claim 1, wherein: the driving mechanism comprises a bracket fixedly connected inside the shell, and also comprises a bevel gear, a first gear and a second gear which are arranged between the bracket and the shell;

the shaft of the bevel gear is parallel to the length direction of the template, and the shaft of the bevel gear penetrates through the bracket outwards and is connected with the shell through a bearing;

the axial direction of the first gear penetrates out of the shell and is connected with the shell through a bearing, and the first gear is externally meshed with the bevel gear;

the shaft of the second gear penetrates through the support downwards and is connected with the support through a bearing, the shaft of the second gear continuously penetrates through the bottom surface of the first half shell downwards and is in threaded connection with the bottom surface of the second half shell, and the second gear is externally meshed with the bevel gear.

3. The induced crack mold for the ultra-long concrete structure according to claim 2, wherein: when the number of the die bodies is at least two, one end of the shaft of the bevel gear is provided with a square hole, and the other end of the shaft of the bevel gear is provided with a square bulge;

when two adjacent mould bodies are placed along the length direction of the template, the square protrusion of the bevel gear in one mould body is matched with the square hole of the bevel gear in the adjacent mould body, so that the bevel gears of the two adjacent mould bodies synchronously rotate, and the opposite side surfaces of the two adjacent mould bodies are in butt contact.

4. The induced crack mold for the ultra-long concrete structure according to claim 1, wherein: the driving mechanism comprises a threaded shaft, the threaded shaft penetrates through the shell and is fixed with the top surface of the shell through a bearing, and the threaded shaft is arranged in the shell, downwards threads at the end part of the shell penetrate through the bottom surface of the first half shell and is locked on the bottom surface of the second half shell in a threaded mode.

5. The induced crack mold for the ultra-long concrete structure according to claim 4, wherein: when the number of the die bodies is at least two, the shaft wall of the threaded shaft is also provided with a plurality of grooves;

the driving mechanism further comprises a gear set, and the gear set is detachably connected to the shell; the gear of the gear set is externally meshed with the groove of the threaded shaft;

when two adjacent mould bodies are placed along the length direction of the template, the end gears of the adjacent gear sets are in external meshing connection.

6. The induced crack mold for an ultra-long concrete structure according to any one of claims 1 to 5, wherein: the bottom surface of the first half shell is provided with a threaded through hole; the bottom surface of the second half shell is provided with a threaded blind hole; the end part of the driving mechanism extending into the shell continuously penetrates through the threaded through hole of the first half shell and is in threaded connection with the threaded blind hole of the second half shell.

7. The induced crack mold for an ultra-long concrete structure according to any one of claims 1 to 5, wherein: the die body further comprises two side plates, the two side plates are horizontally arranged along the length direction of the induction seam, and the two side plates are symmetrically fixed on two opposite side surfaces of the shell; the side face, far away from the shell, of the side plate is provided with a clamping groove for clamping an external template.

8. The induced crack mold for an ultra-long concrete structure according to claim 7, wherein: when the number of the die bodies is at least two, one side surface of the side plate is provided with a limiting hole, and the opposite side surface of the side plate is provided with a limiting lug matched with the limiting hole;

when two adjacent mould bodies are placed along the length direction of the template, the limiting lug of the side plate in one template body is matched with the limiting hole of the side plate in the adjacent template body, so that the opposite side surfaces of the two adjacent mould bodies are overlapped.

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